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This page displays last 20 Severe Weather Alerts issued by the National Weather Service

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2026-09-19 06:49:42
WGMY50 PGUM 191049
Flash Flood Warning
553 WGMY50 PGUM 191049 FFWGUM GUC010-191145- /O.NEW.PGUM.FF.W.0032.260919T1049Z-260919T1145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Tiyan GU 849 PM ChST Sat Sep 19 2026 The National Weather Service in Tiyan has issued a * Flash Flood Warning for... Southwestern Guam... * Until 945 PM ChST. * At 849 PM ChST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen in a short amount of time. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Yona, Talofofo, Inarajan, Merizo, Santa Rita and Umatac. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 1335 14464 1337 14465 1334 14464 1342 14468 1338 14475 1327 14476 1325 14472 1328 14467 1329 14466 1330 14466 1329 14465 1333 14464 1331 14466 1335 14463 FLASH FLOOD...RADAR INDICATED

2026-09-19 05:21:58
WGUS53 KARX 190921
Flash Flood Warning

939 WGUS53 KARX 190921 FFWARX IAC043-065-191315- /O.NEW.KARX.FF.W.0016.260919T0921Z-260919T1315Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service La Crosse WI 421 AM CDT Sat Sep 19 2026 The National Weather Service in La Crosse has issued a * Flash Flood Warning for... Clayton County in northeastern Iowa... Fayette County in northeastern Iowa... * Until 815 AM CDT. * At 421 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... West Union, Guttenberg, Elkader, Postville, Monona, Fayette, McGregor, Garnavillo, Elgin, Clermont, Maynard, Hawkeye, Arlington, Marquette, Farmersburg, Waucoma, Volga, Luana and Wadena. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. && LAT...LON 4274 9208 4308 9208 4308 9118 4296 9115 4291 9115 4288 9110 4283 9109 4283 9108 4277 9107 4276 9106 4275 9107 4273 9103 FLASH FLOOD...RADAR INDICATED

2026-09-19 05:19:27
WGUS53 KDVN 190919
Flash Flood Warning
290 WGUS53 KDVN 190919 FFWDVN IAC061-097-ILC085-177-191515- /O.NEW.KDVN.FF.W.0046.260919T0919Z-260919T1515Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Quad Cities IA IL 419 AM CDT Sat Sep 19 2026 The National Weather Service in Quad Cities has issued a * Flash Flood Warning for... Northeastern Jackson County in east central Iowa... Dubuque County in northeastern Iowa... Jo Daviess County in northwestern Illinois... Stephenson County in northwestern Illinois... * Until 1015 AM CDT. * At 419 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Dubuque, Freeport, Galena, Asbury, Dyersville, Lena, Bellevue, Cascade, Stockton, Epworth, East Dubuque, Farley, Warren, Peosta, Hanover, Pearl City, Elizabeth, Cedarville, Davis and Woodbine. This includes the following State Parks... Apple River Canyon State Park and Lake Le-Aqua-Na State Recreation Area. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route. && LAT...LON 4229 9087 4230 9090 4230 9113 4265 9113 4265 9090 4268 9090 4266 9084 4266 9080 4264 9073 4251 9064 4251 9031 4250 8940 4220 8940 4220 9030 FLASH FLOOD...RADAR INDICATED

2026-09-19 03:09:27
WGUS55 KGJT 190709
Flash Flood Warning

683 WGUS55 KGJT 190709 FFWGJT COC033-190915- /O.NEW.KGJT.FF.W.0126.260919T0709Z-260919T0915Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Grand Junction CO 109 AM MDT Sat Sep 19 2026 The National Weather Service in Grand Junction has issued a * Flash Flood Warning for... The Ferris Burn Scar in... Northwestern Dolores County in southwestern Colorado... * Until 315 AM MDT. * At 109 AM MDT, Doppler radar indicated thunderstorms producing heavy rain over the Ferris Burn Scar. Between 0.2 and 0.5 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. Excessive rainfall over the burn scar will result in debris flow. The debris flow can consist of rock, mud, vegetation and other loose materials. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Ferris Burn Scar. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of areas in and around the Ferris Burn Scar. * Some locations that will experience flash flooding include... In and near the Ferris Burn Scar PRECAUTIONARY/PREPAREDNESS ACTIONS... This is a life threatening situation. Heavy rainfall will cause extensive and severe flash flooding of creeks...streams...and ditches in the Ferris Burn Scar. Severe debris flows can also be anticipated across roads. Roads and driveways may be washed away in places. If you encounter flood waters...climb to safety. Be especially cautious at night when it is harder to recognize the dangers of flooding. && LAT...LON 3787 10880 3781 10869 3777 10867 3776 10861 3774 10861 3774 10857 3780 10858 3780 10854 3775 10857 3765 10856 3764 10863 3764 10873 3766 10875 3768 10874 3769 10877 3770 10873 3776 10875 3780 10879 3779 10882 3781 10880 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR

2026-09-19 02:17:53
WGUS53 KMKX 190617
Flash Flood Warning

274 WGUS53 KMKX 190617 FFWMKX WIC025-190900- /O.NEW.KMKX.FF.W.0022.260919T0617Z-260919T0900Z/ /00000.U.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Milwaukee/Sullivan WI 117 AM CDT Sat Sep 19 2026 The National Weather Service in Milwaukee/Sullivan has issued a * Flash Flood Warning for... Dane County in south central Wisconsin... * Until 400 AM CDT. * At 117 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Madison, Sun Prairie, Fitchburg, Middleton, Stoughton, Waunakee, Verona, Oregon, McFarland, Monona, Mount Horeb, Edgerton, Marshall, Cottage Grove, Cross Plains, Belleville, Deerfield, Mazomanie, Shorewood Hills and Cambridge. This includes the following streams and drainages... Story Creek, Sugar River, Maunesha River, Williams-barneveld Creek, Murphy Creek, Bohn Creek, Ward Creek, Ross Crossing Creek, Badfish Creek, Gordon Creek, Mount Vernon Creek, Rock River, Token Creek, Elvers Creek, Mud Creek, Saunders Creek, Stony Brook, Allen Creek, Little Door Creek, Swan Creek, Yahara River, Starkweather Creek, Syftestad Creek, West Branch Sugar River, Koshkonong Creek, Murphys Creek, Vermont Creek, Little Sugar River, Halfway Prairie Creek, Primrose Branch, Rutland Branch, Nine Springs Creek, Deer Creek, East Branch Pecatonica River, Badger Mill Creek, Spring Creek, Pheasant Branch, West Branch Blue Mounds Creek and Black Earth Creek. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. && LAT...LON 4317 8984 4317 8901 4285 8901 4285 8937 4286 8937 4286 8984 FLASH FLOOD...RADAR INDICATED

2026-09-19 02:08:12
WGUS53 KMPX 190607
Flash Flood Warning

241 WGUS53 KMPX 190607 FFWMPX MNC043-047-147-161-191000- /O.NEW.KMPX.FF.W.0011.260919T0607Z-260919T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Twin Cities/Chanhassen MN 107 AM CDT Sat Sep 19 2026 The National Weather Service in the Twin Cities has issued a * Flash Flood Warning for... Northeastern Faribault County in south central Minnesota... Northern Freeborn County in south central Minnesota... Southern Steele County in south central Minnesota... Southern Waseca County in south central Minnesota... * Until 500 AM CDT. * At 107 AM CDT, local law enforcement reported thunderstorms producing heavy rain in southern Waseca county along the MN Highway 30 corridor. Between 5 and 9 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Law enforcement reported. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Blooming Prairie, New Richland, Ellendale, Geneva, Hartland, Otisco and Matawan. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. && LAT...LON 4391 9377 4394 9357 4394 9346 4389 9305 4378 9305 4377 9312 4380 9340 4380 9377 FLASH FLOOD...OBSERVED

2026-09-19 01:22:12
WGUS53 KARX 190521
Flash Flood Warning

312 WGUS53 KARX 190521 FFWARX WIC123-190915- /O.NEW.KARX.FF.W.0015.260919T0521Z-260919T0915Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service La Crosse WI 1221 AM CDT Sat Sep 19 2026 The National Weather Service in La Crosse has issued a * Flash Flood Warning for... Vernon County in southwestern Wisconsin... * Until 415 AM CDT. * At 1221 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 4 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Viroqua, Westby, Stoddard, Coon Valley, Springville, Viola, Liberty, Readstown, De Soto, Chaseburg, Genoa, Ross, Bud, Sidie Hollow County Park, County Roads B And Y, Runge Hollow, Esofea, Highway 56 And County N, County Roads O And Y and Purdy. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. && LAT...LON 4373 9083 4355 9064 4355 9067 4342 9067 4342 9120 4345 9123 4348 9122 4351 9122 4354 9124 4358 9123 4360 9126 4372 9126 FLASH FLOOD...RADAR INDICATED

2026-09-19 00:46:45
WGUS53 KARX 190446
Flash Flood Warning

026 WGUS53 KARX 190446 FFWARX MNC045-190845- /O.NEW.KARX.FF.W.0014.260919T0446Z-260919T0845Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service La Crosse WI 1146 PM CDT Fri Sep 18 2026 The National Weather Service in La Crosse has issued a * Flash Flood Warning for... Southern Fillmore County in southeastern Minnesota... * Until 345 AM CDT. * At 1146 PM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3.5 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Preston, Spring Valley, Harmony, Mabel, Canton, Highland, Cherry Grove, Bristol, Newburg, Amherst, York, Carimona, Ostrander, Hutton, Granger, Forestville State Park, Greenleafton and Henrytown. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. && LAT...LON 4370 9245 4370 9173 4350 9173 4350 9245 FLASH FLOOD...RADAR AND GAUGE INDICATED

2026-09-18 23:59:59
WGUS53 KMPX 190359
Flash Flood Warning

547 WGUS53 KMPX 190359 FFWMPX MNC013-043-047-147-161-190600- /O.NEW.KMPX.FF.W.0010.260919T0359Z-260919T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Twin Cities/Chanhassen MN 1059 PM CDT Fri Sep 18 2026 The National Weather Service in the Twin Cities has issued a * Flash Flood Warning for... Southeastern Blue Earth County in south central Minnesota... Northeastern Faribault County in south central Minnesota... Northwestern Freeborn County in south central Minnesota... Southwestern Steele County in south central Minnesota... Southern Waseca County in south central Minnesota... * Until 100 AM CDT. * At 1059 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 5 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 0.5 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... New Richland, Ellendale, Minnesota Lake, Geneva, Hartland and Matawan. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. && LAT...LON 4385 9406 4391 9355 4388 9319 4378 9325 4380 9365 4379 9404 FLASH FLOOD...RADAR INDICATED EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR

2026-09-18 23:59:59
WGUS53 KARX 190359
Flash Flood Warning

552 WGUS53 KARX 190359 FFWARX MNC055-190800- /O.NEW.KARX.FF.W.0013.260919T0359Z-260919T0800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service La Crosse WI 1059 PM CDT Fri Sep 18 2026 The National Weather Service in La Crosse has issued a * Flash Flood Warning for... Houston County in southeastern Minnesota... * Until 300 AM CDT. * At 1059 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 4 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Caledonia, Houston, Hokah, Brownsville, Mound Prairie, Money Creek, Reno, Yucatan, Sheldon, Black Hammer, Highway 44 And Sanden Road, Beaver Creek Valley State Park, Dun Romin Park Campground, County 14 And White Tail Road, Freeburg, County Roads 3 And 24, Perkins and County Roads 15 And 4. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. && LAT...LON 4382 9146 4379 9126 4376 9125 4371 9127 4365 9127 4364 9126 4362 9127 4358 9123 4357 9123 4355 9124 4351 9123 4361 9173 4385 9173 FLASH FLOOD...RADAR INDICATED

2026-09-18 23:12:35
WGUS55 KCYS 190312
Flash Flood Warning
371 WGUS55 KCYS 190312 FFWCYS NEC045-165-190515- /O.NEW.KCYS.FF.W.0028.260919T0312Z-260919T0515Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Cheyenne WY 912 PM MDT Fri Sep 18 2026 The National Weather Service in Cheyenne has issued a * Flash Flood Warning for... The South Fork Burn Scar in... Western Dawes County in the panhandle of Nebraska... East Central Sioux County in the panhandle of Nebraska... * Until 1115 PM MDT. * At 912 PM MDT, Doppler radar indicated thunderstorms producing heavy rain over the South Fork Burn Scar. Between 0.5 and 1 inch of rain has fallen. Additional rainfall amounts up to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. Excessive rainfall over the burn scar will result in debris flow moving through the Soldier Creek and the White River drainages. The debris flow can consist of rock, mud, vegetation and other loose materials. HAZARD...Flash flooding caused by thunderstorms in and around the South Fork Burn Scar. SOURCE...Radar indicated. IMPACT...Flooding of areas in and around the South Fork Burn Scar. * Some locations that will experience flash flooding include... Crawford, Fort Robinson State Park and Soldier Creek Campground. PRECAUTIONARY/PREPAREDNESS ACTIONS... This is a life threatening situation. Heavy rainfall will cause extensive and severe flash flooding of creeks...streams...and ditches in the South Fork Burn Scar. Severe debris flows can also be anticipated across roads. Roads and driveways may be washed away in places. If you encounter flood waters...climb to safety. Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks. && LAT...LON 4263 10348 4262 10354 4265 10363 4270 10369 4273 10366 4276 10357 4273 10343 4268 10339 4263 10346 FLASH FLOOD...RADAR INDICATED

2026-09-18 23:02:47
WGUS55 KABQ 190302
Flash Flood Warning

137 WGUS55 KABQ 190302 FFWABQ NMC001-190600- /O.NEW.KABQ.FF.W.0156.260919T0302Z-260919T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Albuquerque NM 902 PM MDT Fri Sep 18 2026 The National Weather Service in Albuquerque has issued a * Flash Flood Warning for... Bernalillo County in central New Mexico... * Until midnight MDT. * At 902 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 0.75 inches of rain have fallen. The expected rainfall rate is 1 inch in 1 hour. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Eastern Albuquerque and Sandia Heights. This includes the following highways... Interstate 40 between Mile Markers 160 and 168. Interstate 25 between Mile Markers 221 and 230. This warning is primarily for the arroyos and diversion channels within the affected area due to the expected increase in rapidly flowing water. Please avoid arroyos, diversion channels and any other areas that are flooded. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Arroyos, streams, and normally dry rivers can become raging killer currents in a matter of minutes. Water in arroyos can travel many miles and take hours to reach your location from upstream rain areas. && LAT...LON 3520 10657 3521 10649 3503 10648 3502 10664 3508 10664 3513 10662 3515 10659 FLASH FLOOD...RADAR INDICATED EXPECTED RAINFALL RATE...1 INCH IN 1 HOUR

2026-09-18 22:22:36
WUUS55 KCYS 190222
Severe Thunderstorm Warning
182 WUUS55 KCYS 190222 SVRCYS NEC045-165-190315- /O.NEW.KCYS.SV.W.0347.260919T0222Z-260919T0315Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Cheyenne WY 822 PM MDT Fri Sep 18 2026 The National Weather Service in Cheyenne has issued a * Severe Thunderstorm Warning for... Southwestern Dawes County in the Panhandle of Nebraska... Central Sioux County in the Panhandle of Nebraska... * Until 915 PM MDT. * At 822 PM MDT, severe thunderstorms were located along a line extending from near Harrison to 6 miles north of Agate Fossil Beds National Monument to 20 miles southeast of Prairie Center, moving east at 20 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Crawford, Harrison, Soldier Creek Campground, Agate Fossil Beds National Monument, and Fort Robinson State Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4244 10341 4244 10345 4236 10345 4228 10348 4230 10402 4253 10389 4272 10396 4286 10344 4257 10336 TIME...MOT...LOC 0222Z 255DEG 16KT 4268 10379 4250 10375 4233 10387 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-09-18 22:02:21
WGUS53 KARX 190202
Flash Flood Warning
707 WGUS53 KARX 190202 FFWARX MNC045-099-190600- /O.NEW.KARX.FF.W.0012.260919T0202Z-260919T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service La Crosse WI 902 PM CDT Fri Sep 18 2026 The National Weather Service in La Crosse has issued a * Flash Flood Warning for... Northern Fillmore County in southeastern Minnesota... Northern Mower County in southeastern Minnesota... * Until 100 AM CDT. * At 902 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 2.5 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Chatfield, Rushford, Grand Meadow, Lanesboro, Brownsdale, Wykoff, Fountain, Lansing, Rushford Village, Washington, Racine, Mayville, Dexter, Pilot Mound, Arendahl, Peterson, Waltham and Whalan. This includes Interstate 90 in Minnesota between mile markers 193 and 204. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. && LAT...LON 4370 9305 4385 9305 4385 9269 4383 9269 4383 9245 4385 9245 4385 9173 4370 9173 FLASH FLOOD...RADAR INDICATED

2026-09-18 21:59:05
WUUS52 KGSP 190158
Severe Thunderstorm Warning

606 WUUS52 KGSP 190158 SVRGSP SCC001-047-190245- /O.NEW.KGSP.SV.W.0348.260919T0158Z-260919T0245Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Greenville-Spartanburg SC 958 PM EDT Fri Sep 18 2026 The National Weather Service in Greenville-Spartanburg has issued a * Severe Thunderstorm Warning for... Abbeville County in Upstate South Carolina... Western Greenwood County in Upstate South Carolina... * Until 1045 PM EDT. * At 958 PM EDT, a severe thunderstorm was located 11 miles north of Abbeville, or near Due West, moving south at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to trees and power lines. * Locations impacted include... Abbeville, Ware Shoals, Calhoun Falls, Due West, Donalds, Cokesbury, Hodges, Troy, Shoals Junction, and Promised Land. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. Please report damaging winds, hail, or flooding to the National Weather Service by calling toll free, 1, 800, 2 6 7, 8 1 0 1, or by posting on our Facebook page, or post it to X using hashtag nwsgsp. Your message should describe the event and the specific location where it occurred. && LAT...LON 3406 8233 3406 8244 3408 8248 3407 8250 3407 8253 3402 8259 3403 8260 3407 8263 3430 8257 3428 8243 3441 8241 3441 8225 3440 8223 3438 8221 3398 8219 3402 8225 3397 8231 TIME...MOT...LOC 0158Z 007DEG 24KT 3435 8238 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-09-18 21:56:50
WUUS55 KCYS 190156
Severe Thunderstorm Warning
489 WUUS55 KCYS 190156 SVRCYS NEC007-157-165-WYC015-190245- /O.NEW.KCYS.SV.W.0346.260919T0156Z-260919T0245Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Cheyenne WY 756 PM MDT Fri Sep 18 2026 The National Weather Service in Cheyenne has issued a * Severe Thunderstorm Warning for... Scotts Bluff County in the Panhandle of Nebraska... Northwestern Banner County in the Panhandle of Nebraska... Southwestern Sioux County in the Panhandle of Nebraska... Southeastern Goshen County in southeastern Wyoming... * Until 845 PM MDT. * At 756 PM MDT, severe thunderstorms were located along a line extending from 12 miles northeast of Torrington Municipal Airport to near Morrill to 8 miles east of Hawk Springs Reservoir, moving east at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Automated weather station. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Scottsbluff, Torrington, Gering, Mitchell, Terrytown, Morrill, La Grange, Lyman, Henry, Wildcat Hills State Recreation Area, Lake Minatare State Recreation Area, Lake Alice Number 2, Stegall, Scotts Bluff County Fairground, Torrington Municipal Airport, Scotts Bluff National Monument, Hubbard Hill, Scottsbluff Airport, Lake Alice, and Wycross. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4164 10420 4197 10412 4229 10429 4233 10361 4195 10349 4160 10358 TIME...MOT...LOC 0156Z 268DEG 22KT 4222 10405 4193 10393 4171 10402 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...OBSERVED MAX WIND GUST...60 MPH

2026-09-18 21:42:22
WUUS55 KCYS 190142
Severe Thunderstorm Warning
161 WUUS55 KCYS 190142 SVRCYS NEC165-190230- /O.NEW.KCYS.SV.W.0345.260919T0142Z-260919T0230Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Cheyenne WY 742 PM MDT Fri Sep 18 2026 The National Weather Service in Cheyenne has issued a * Severe Thunderstorm Warning for... Northern Sioux County in the Panhandle of Nebraska... * Until 830 PM MDT. * At 741 PM MDT, a severe thunderstorm was located near Harrison, or 25 miles east of Lusk, moving northeast at 30 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Harrison and Fort Robinson State Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4287 10366 4260 10351 4252 10399 4260 10406 4278 10405 4297 10389 TIME...MOT...LOC 0141Z 230DEG 25KT 4268 10397 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-09-18 21:41:02
WGUS55 KBYZ 190140
Flash Flood Warning

936 WGUS55 KBYZ 190140 FFWBYZ MTC037-097-190415- /O.NEW.KBYZ.FF.W.0019.260919T0140Z-260919T0415Z/ /00000.U.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Billings MT 740 PM MDT Fri Sep 18 2026 The National Weather Service in Billings has issued a * Flash Flood Warning for... Southwestern Golden Valley County in central Montana... Northeastern Sweet Grass County in south central Montana... * Until 1015 PM MDT. * At 740 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches per hour. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Mainly rural areas of Southwestern Golden Valley and Northeastern Sweet Grass Counties. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Do not drive on or attempt to cross flooded roads, find an alternate route. Roads and driveways may be damaged or washed out in places. Be especially cautious at night when it is harder to recognize the dangers of flooding. && LAT...LON 4621 10968 4621 10965 4614 10965 4613 10952 4616 10940 4613 10942 4601 10943 4597 10943 4596 10951 4588 10951 4588 10955 4598 10974 FLASH FLOOD...RADAR INDICATED EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR

2026-09-18 21:29:09
WUUS52 KGSP 190128
Severe Thunderstorm Warning

400 WUUS52 KGSP 190128 SVRGSP SCC001-007-045-190230- /O.NEW.KGSP.SV.W.0347.260919T0128Z-260919T0230Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Greenville-Spartanburg SC 928 PM EDT Fri Sep 18 2026 The National Weather Service in Greenville-Spartanburg has issued a * Severe Thunderstorm Warning for... South central Greenville County in Upstate South Carolina... Eastern Anderson County in Upstate South Carolina... North central Abbeville County in Upstate South Carolina... * Until 1030 PM EDT. * At 928 PM EDT, a severe thunderstorm was located 12 miles northeast of Anderson, or near Williamston, moving south at 20 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to trees and power lines. * Locations impacted include... Homeland Park, Belton, Williamston, Honea Path, West Pelzer, Starr, Antreville, Broadway Lake, Anderson, and Lake Secession. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Please report damaging winds, hail, or flooding to the National Weather Service by calling toll free, 1, 800, 2 6 7, 8 1 0 1, or by posting on our Facebook page, or post it to X using hashtag nwsgsp. Your message should describe the event and the specific location where it occurred. && LAT...LON 3470 8253 3465 8234 3426 8242 3435 8275 TIME...MOT...LOC 0128Z 017DEG 16KT 3462 8245 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-09-18 20:56:36
WGUS54 KMAF 190056
Flash Flood Warning

054 WGUS54 KMAF 190056 FFWMAF NMC015-190400- /O.NEW.KMAF.FF.W.0187.260919T0056Z-260919T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Midland/Odessa TX 656 PM MDT Fri Sep 18 2026 The National Weather Service in Midland/Odessa has issued a * Flash Flood Warning for... Southwestern Eddy County in southeastern New Mexico... * Until 1000 PM MDT. * At 656 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2.5 and 3.5 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Lincoln National Forest and Queen. This includes the following streams and drainages... Dark Canyon and Last Chance Canyon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. && LAT...LON 3224 10476 3231 10468 3231 10451 3222 10451 3214 10474 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR