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

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2026-08-12 19:39:41
WUUS51 KBGM 122339
Severe Thunderstorm Warning

203 WUUS51 KBGM 122339 SVRBGM NYC015-097-101-109-123-130030- /O.NEW.KBGM.SV.W.0161.260812T2339Z-260813T0030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Binghamton NY 739 PM EDT Wed Aug 12 2026 The National Weather Service in Binghamton has issued a * Severe Thunderstorm Warning for... Schuyler County in central New York... Southeastern Yates County in central New York... North central Chemung County in central New York... Northeastern Steuben County in central New York... Southwestern Tompkins County in central New York... * Until 830 PM EDT. * At 739 PM EDT, a severe thunderstorm was located over Tyrone, or near Dundee, moving southeast at 40 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Urbana, Watkins Glen, Catharine, Montour Falls, Tyrone, Wayne, Odessa, Cayuta, Burdett, and Millport. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Large hail, damaging wind, and continuous cloud to ground lightning are occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Heavy rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4246 7719 4256 7709 4233 7656 4214 7673 TIME...MOT...LOC 2339Z 303DEG 33KT 4245 7705 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-12 19:39:06
WUUS53 KSGF 122338
Severe Thunderstorm Warning
944 WUUS53 KSGF 122338 SVRSGF MOC065-161-130030- /O.NEW.KSGF.SV.W.0382.260812T2338Z-260813T0030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Springfield MO 638 PM CDT Wed Aug 12 2026 The National Weather Service in Springfield has issued a * Severe Thunderstorm Warning for... Northwestern Dent County in south central Missouri... Southwestern Phelps County in east central Missouri... * Until 730 PM CDT. * At 638 PM CDT, a severe thunderstorm was located 13 miles south of Newburg, or 16 miles east of Fort Leonard Wood, moving southeast at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Edgar Springs, Lenox, and Anutt. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3767 9161 3760 9176 3760 9187 3776 9202 3783 9185 TIME...MOT...LOC 2338Z 323DEG 11KT 3772 9186 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-12 19:35:40
WGUS55 KPSR 122335
Flash Flood Warning
884 WGUS55 KPSR 122335 FFWPSR CAC025-130230- /O.NEW.KPSR.FF.W.0035.260812T2335Z-260813T0230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Phoenix AZ 435 PM PDT Wed Aug 12 2026 The National Weather Service in Phoenix has issued a * Flash Flood Warning for... Southwestern Imperial County in southeastern California... * Until 730 PM PDT. * At 435 PM PDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.25 and 1 inch of rain has fallen. Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area. 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... Calexico and Heber. This includes the following highways... CA Route 98 between mile markers 27 and 32. CA Interstate 8 between mile markers 40 and 48. CA Route 111 between mile markers 1 and 9. CA Route 86 between mile markers 1 and 3. This includes the following streams and drainages... New River, Ash Fifteen Drain, Alamo River and South Alamo Canal. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. 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 3266 11561 3280 11550 3280 11538 3274 11538 3271 11546 3268 11549 3267 11549 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

2026-08-12 19:35:20
WUUS55 KBOU 122335
Severe Thunderstorm Warning
878 WUUS55 KBOU 122335 SVRBOU COC075-130015- /O.NEW.KBOU.SV.W.0300.260812T2335Z-260813T0015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Denver CO 535 PM MDT Wed Aug 12 2026 The National Weather Service in Denver has issued a * Severe Thunderstorm Warning for... Northwestern Logan County in northeastern Colorado... * Until 615 PM MDT. * At 535 PM MDT, severe thunderstorms were located along a line from 12 miles northeast of Westplains to near Pawnee Pass, or along a line from 27 miles north of Sterling to 17 miles west of Sterling, moving east at 20 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... Peetz, North Sterling Reservoir and Padroni. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds and large hail. && LAT...LON 4067 10353 4081 10344 4100 10337 4100 10305 4078 10307 4072 10311 4064 10345 TIME...MOT...LOC 2334Z 273DEG 15KT 4100 10335 4091 10339 4079 10345 4067 10351 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-12 19:33:04
WUUS53 KJKL 122332
Severe Thunderstorm Warning

249 WUUS53 KJKL 122332 SVRJKL KYC203-130000- /O.NEW.KJKL.SV.W.0116.260812T2332Z-260813T0000Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service JACKSON KY 732 PM EDT Wed Aug 12 2026 The National Weather Service in JACKSON KY has issued a * Severe Thunderstorm Warning for... Rockcastle County in south central Kentucky... * Until 800 PM EDT. * At 732 PM EDT, a severe thunderstorm was located near Lancaster, or 16 miles northwest of Mount Vernon, moving southeast at 25 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * This severe thunderstorm will be near... Indian Lakes Park around 745 PM EDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3748 8445 3747 8438 3750 8435 3754 8435 3754 8432 3753 8430 3752 8430 3752 8428 3744 8417 3741 8416 3739 8417 3724 8440 3730 8447 3734 8450 TIME...MOT...LOC 2332Z 326DEG 23KT 3754 8456 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-12 19:32:14
WUUS53 KLMK 122332
Severe Thunderstorm Warning

487 WUUS53 KLMK 122332 SVRLMK KYC079-137-130000- /O.NEW.KLMK.SV.W.0214.260812T2332Z-260813T0000Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Louisville KY 732 PM EDT Wed Aug 12 2026 The National Weather Service in Louisville has issued a * Severe Thunderstorm Warning for... Northeastern Lincoln County in central Kentucky... Southeastern Garrard County in central Kentucky... * Until 800 PM EDT. * At 731 PM EDT, a severe thunderstorm was located near Lancaster, moving southeast at 25 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Stanford, Lancaster, Crab Orchard, Paint Lick, Manse, Gilbert, Preachersville, Cartersville, Rowland, and Hyattsville. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Large hail, damaging wind, and continuous cloud to ground lightning are occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3752 8436 3750 8435 3747 8437 3748 8443 3748 8445 3735 8450 3757 8467 3768 8449 3761 8440 3760 8440 3758 8437 3757 8437 3755 8435 3753 8435 TIME...MOT...LOC 2331Z 321DEG 21KT 3757 8452 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-12 19:29:54
WUUS51 KBGM 122329
Severe Thunderstorm Warning

857 WUUS51 KBGM 122329 SVRBGM NYC109-130000- /O.NEW.KBGM.SV.W.0160.260812T2329Z-260813T0000Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Binghamton NY 729 PM EDT Wed Aug 12 2026 The National Weather Service in Binghamton has issued a * Severe Thunderstorm Warning for... Southwestern Tompkins County in central New York... * Until 800 PM EDT. * At 729 PM EDT, a severe thunderstorm was located over Enfield, or near Ithaca, moving east at 25 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... Ithaca, Newfield, Cayuga Heights, Enfield, Danby, South Danby, Brooktondale, Besemer, South Hill, and West Danby. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4248 7668 4247 7636 4227 7643 4235 7669 4245 7669 TIME...MOT...LOC 2329Z 288DEG 23KT 4240 7662 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-12 19:29:24
WUUS53 KLBF 122329
Severe Thunderstorm Warning

447 WUUS53 KLBF 122329 SVRLBF NEC161-130030- /O.NEW.KLBF.SV.W.0305.260812T2329Z-260813T0030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service North Platte NE 529 PM MDT Wed Aug 12 2026 The National Weather Service in North Platte has issued a * Severe Thunderstorm Warning for... Northwestern Sheridan County in the Panhandle of Nebraska... * Until 630 PM MDT. * At 528 PM MDT, a severe thunderstorm was located near Chadron, moving east at 30 mph. HAZARD...Golf 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... Rushville, Hay Springs, White Clay, Clinton, Pine Ridge, Intersection of Highway 87 and Craven Creek Road, Metcalf State Wildlife Management Area, Intersection of Beaver Creek Road and White Clay Creek Road, Intersection of Highway 87 and Larabee Road, and Mount Maria. This includes the following highways... Highway 20 between mile markers 74 and 101. Highway 250 between mile markers 42 and 48. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4300 10218 4259 10237 4270 10278 4277 10278 4278 10277 4279 10279 4300 10279 TIME...MOT...LOC 2328Z 283DEG 26KT 4283 10290 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-12 19:26:13
WUUS55 KBOU 122326
Severe Thunderstorm Warning
538 WUUS55 KBOU 122326 SVRBOU COC075-087-121-130015- /O.NEW.KBOU.SV.W.0299.260812T2326Z-260813T0015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Denver CO 526 PM MDT Wed Aug 12 2026 The National Weather Service in Denver has issued a * Severe Thunderstorm Warning for... Southwestern Logan County in northeastern Colorado... Northeastern Morgan County in northeastern Colorado... Northeastern Washington County in northeastern Colorado... * Until 615 PM MDT. * At 526 PM MDT, severe thunderstorms were located along a line from near Willard to 13 miles north of Arickaree School, or along a line from 17 miles west of Sterling to 20 miles southeast of Akron, moving northeast at 20 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Sterling, Akron, Otis, Merino, Platner, Prewitt Reservoir, Atwood, Logan Corners, Willard, Pawnee Pass, Fremont Butte, Messex and Hyde. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds. && LAT...LON 4052 10355 4059 10358 4060 10358 4070 10322 4053 10314 4033 10299 4014 10279 4000 10279 4000 10280 3996 10280 3989 10300 4008 10332 4027 10340 TIME...MOT...LOC 2325Z 239DEG 15KT 4058 10351 4032 10334 4009 10323 3992 10300 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-12 19:26:13
WUUS55 KPSR 122326
Severe Thunderstorm Warning
539 WUUS55 KPSR 122326 SVRPSR CAC025-130015- /O.NEW.KPSR.SV.W.0064.260812T2326Z-260813T0015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Phoenix AZ 426 PM PDT Wed Aug 12 2026 The National Weather Service in Phoenix has issued a * Severe Thunderstorm Warning for... South central Imperial County in southeastern California... * Until 515 PM PDT. * At 426 PM PDT, a severe thunderstorm was located over Calexico, and is nearly stationary. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... El Centro, Calexico, Mt. Signal, Bonds Corner, and Heber. This includes the following highways... CA Interstate 8 between mile markers 38 and 47. CA Route 111 between mile markers 1 and 10. CA Route 86 between mile markers 1 and 6. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Large hail, damaging wind, and continuous cloud to ground lightning are occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3270 11568 3286 11543 3268 11533 3267 11538 3265 11564 TIME...MOT...LOC 2326Z 243DEG 1KT 3271 11549 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-12 19:19:33
WUUS52 KTAE 122319
Severe Thunderstorm Warning

821 WUUS52 KTAE 122319 SVRTAE ALC069-FLC063-GAC099-201-253-130000- /O.NEW.KTAE.SV.W.0281.260812T2319Z-260813T0000Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Tallahassee FL 719 PM EDT Wed Aug 12 2026 The National Weather Service in Tallahassee has issued a * Severe Thunderstorm Warning for... Houston County in southeastern Alabama... North central Jackson County in the Panhandle of Florida... Southwestern Miller County in southwestern Georgia... Northwestern Seminole County in southwestern Georgia... Southwestern Early County in southwestern Georgia... * Until 800 PM EDT/700 PM CDT/. * At 719 PM EDT/619 PM CDT/, severe thunderstorms were located along a line extending from near Dothan to near Cottonwood to 6 miles southeast of Ashford, moving southeast at 25 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Cottonwood, Dothan, Donalsonville, Taylor, Ashford, Cowarts, Webb, Malone, Rehobeth, Greenwood, Avon, Madrid, Gordon, Jakin, Bascom, Memphis, Saffold, Pansey, Crosby, and Grangeburg. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3123 8521 3111 8481 3096 8498 3086 8508 3091 8534 3116 8549 3120 8549 3123 8544 3124 8529 TIME...MOT...LOC 2319Z 328DEG 20KT 3118 8541 3111 8527 3115 8514 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-12 19:18:12
WGUS55 KFGZ 122318
Flash Flood Warning

111 WGUS55 KFGZ 122318 FFWFGZ AZC007-130215- /O.NEW.KFGZ.FF.W.0115.260812T2318Z-260813T0215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Flagstaff AZ 418 PM MST Wed Aug 12 2026 The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... Gila County in east central Arizona... * Until 715 PM MST. * At 418 PM MST, 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 0.5 to 1 inch are possible in the warned area. 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, normally dry washes, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Star Valley, Gisela, Round Valley, Oak Spring Canyon and Hellsgate Wilderness. This includes State Route 188 near mile marker 268. PRECAUTIONARY/PREPAREDNESS ACTIONS... Flooding of washes and creeks will occur, some dirt roads will become muddy and impassable. Paved roads and underpasses could become flooded as well. && LAT...LON 3392 11131 3396 11132 3403 11129 3419 11131 3421 11126 3423 11127 3425 11115 3409 11113 3406 11126 3402 11126 3397 11129 3395 11128 3391 11129 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

2026-08-12 19:17:27
WUUS51 KBGM 122317
Severe Thunderstorm Warning

080 WUUS51 KBGM 122317 SVRBGM NYC007-107-122345- /O.NEW.KBGM.SV.W.0159.260812T2317Z-260812T2345Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Binghamton NY 717 PM EDT Wed Aug 12 2026 The National Weather Service in Binghamton has issued a * Severe Thunderstorm Warning for... Southwestern Broome County in central New York... East central Tioga County in central New York... * Until 745 PM EDT. * At 716 PM EDT, a severe thunderstorm was located near Newark Valley, or near Owego, moving east at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Binghamton, Vestal, Johnson City, Endicott, Maine, Newark Valley, Greater Binghamton Airport, Endwell, West Corners, and Union Center. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4212 7625 4222 7621 4223 7589 4205 7593 TIME...MOT...LOC 2316Z 279DEG 28KT 4216 7616 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-12 19:12:25
WUUS53 KSGF 122312
Severe Thunderstorm Warning

328 WUUS53 KSGF 122312 SVRSGF MOC043-077-122345- /O.NEW.KSGF.SV.W.0381.260812T2312Z-260812T2345Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Springfield MO 612 PM CDT Wed Aug 12 2026 The National Weather Service in Springfield has issued a * Severe Thunderstorm Warning for... North central Christian County in southwestern Missouri... Southeastern Greene County in southwestern Missouri... * Until 645 PM CDT. * At 612 PM CDT, a severe thunderstorm was located over Nixa, moving east at 15 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Southern Springfield, Nixa, Ozark, Battlefield, Highlandville, Fremont Hills, and Galloway. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3699 9334 3699 9336 3715 9338 3721 9318 3701 9319 3694 9334 TIME...MOT...LOC 2312Z 268DEG 12KT 3706 9328 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-12 19:10:44
WUUS53 KUNR 122310
Severe Thunderstorm Warning

439 WUUS53 KUNR 122310 SVRUNR SDC047-102-130000- /O.NEW.KUNR.SV.W.0288.260812T2310Z-260813T0000Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Rapid City SD 510 PM MDT Wed Aug 12 2026 The National Weather Service in Rapid City has issued a * Severe Thunderstorm Warning for... Southeastern Fall River County in southwestern South Dakota... Southwestern Oglala Lakota County in southwestern South Dakota... * Until 600 PM MDT. * At 510 PM MDT, a severe thunderstorm was located 9 miles south of Oelrichs, or 30 miles southeast of Hot Springs, moving east at 30 mph. HAZARD...Golf ball size hail and 70 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Pine Ridge, Oelrichs, Prairie Winds Casino, South Lakeside, Number 4, Calico, Slim Butte and Slim Buttes Housing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm is capable of producing widespread damaging winds and dangerous hail. Tornadoes can develop quickly from severe thunderstorms. Seek shelter immediately in an interior room on the lowest floor of a well-built structure. && LAT...LON 4300 10340 4319 10324 4318 10248 4300 10257 TIME...MOT...LOC 2310Z 288DEG 25KT 4306 10318 TORNADO...POSSIBLE THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...70 MPH

2026-08-12 19:10:34
WUUS53 KLSX 122310
Severe Thunderstorm Warning

002 WUUS53 KLSX 122310 SVRLSX MOC186-187-221-130015- /O.NEW.KLSX.SV.W.0234.260812T2310Z-260813T0015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service St Louis MO 610 PM CDT Wed Aug 12 2026 The National Weather Service in St Louis has issued a * Severe Thunderstorm Warning for... Washington County in east central Missouri... Western Sainte Genevieve County in southeastern Missouri... Saint Francois County in southeastern Missouri... * Until 715 PM CDT. * At 610 PM CDT, severe thunderstorms were located along a line from over Hillsboro to over Anthonies Mill, moving southeast at 35 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Old Mines, Mineral Point, Potosi, Bonne Terre, Leadwood, Park Hills, Desloge, Frankclay, Courtois, Irondale, Leadington, Bloomsdale, Farmington, Bismarck, Caledonia, Rocky Ridge, Iron Mountain Lake, Iron Mountain, Weingarten and Knob Lick. This includes the following State Parks... St. Joe State Park, St. Francois State Park and Missouri Mines Historic Site. This includes Interstate 55 in Missouri between exits 154 and 162. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds. && LAT...LON 3807 9109 3803 9067 3808 9064 3808 9063 3807 9061 3802 9061 3801 9063 3800 9058 3804 9042 3812 9025 3801 9007 3764 9041 3765 9065 3773 9065 3774 9110 TIME...MOT...LOC 2310Z 327DEG 29KT 3822 9060 3805 9070 3808 9107 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-12 19:08:54
WUUS55 KBOU 122308
Severe Thunderstorm Warning

533 WUUS55 KBOU 122308 SVRBOU COC075-123-122345- /O.NEW.KBOU.SV.W.0298.260812T2308Z-260812T2345Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Denver CO 508 PM MDT Wed Aug 12 2026 The National Weather Service in Denver has issued a * Severe Thunderstorm Warning for... Northwestern Logan County in northeastern Colorado... Northeastern Weld County in northeastern Colorado... * Until 545 PM MDT. * At 508 PM MDT, severe thunderstorms were located along a line from 10 miles northwest of Westplains to 7 miles southeast of Pawnee Buttes, or along a line from 33 miles northwest of Sterling to 36 miles north of Fort Morgan, moving east at 15 mph. HAZARD...Golf 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... Westplains. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. These storms are capable of producing dangerous hail and damaging winds. && LAT...LON 4079 10392 4100 10371 4100 10336 4083 10343 4069 10352 TIME...MOT...LOC 2308Z 274DEG 13KT 4100 10359 4088 10374 4077 10386 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-12 19:04:57
WUUS51 KBGM 122304
Severe Thunderstorm Warning

219 WUUS51 KBGM 122304 SVRBGM NYC097-109-122330- /O.NEW.KBGM.SV.W.0158.260812T2304Z-260812T2330Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Binghamton NY 704 PM EDT Wed Aug 12 2026 The National Weather Service in Binghamton has issued a * Severe Thunderstorm Warning for... Northeastern Schuyler County in central New York... West central Tompkins County in central New York... * Until 730 PM EDT. * At 704 PM EDT, a severe thunderstorm was located over Reynoldsville, or 7 miles northeast of Watkins Glen, moving east at 25 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Hector, Enfield, Trumansburg, Burdett, Reynoldsville, Mecklenburg, Taughannock Falls, Searsburg, Perry City, and Bennettsburg. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4254 7686 4254 7656 4237 7658 4241 7691 TIME...MOT...LOC 2304Z 274DEG 23KT 4247 7681 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-12 19:03:21
WUUS55 KCYS 122303
Severe Thunderstorm Warning

713 WUUS55 KCYS 122303 SVRCYS NEC105-122330- /O.NEW.KCYS.SV.W.0236.260812T2303Z-260812T2330Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Cheyenne WY 503 PM MDT Wed Aug 12 2026 The National Weather Service in Cheyenne has issued a * Severe Thunderstorm Warning for... South central Kimball County in the Panhandle of Nebraska... * Until 530 PM MDT. * At 502 PM MDT, a severe thunderstorm was located 12 miles south of Kimball Municipal Airport, or 15 miles south of Kimball, moving east at 15 mph. HAZARD...Golf 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. * This severe thunderstorm will remain over mainly rural areas of south central Kimball County. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4108 10377 4106 10367 4101 10357 4100 10358 4100 10378 4101 10379 TIME...MOT...LOC 2302Z 286DEG 13KT 4101 10368 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-12 19:03:21
WGUS55 KREV 122303
Flash Flood Warning

751 WGUS55 KREV 122303 FFWREV NVC031-130200- /O.NEW.KREV.FF.W.0006.260812T2303Z-260813T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Reno NV 403 PM PDT Wed Aug 12 2026 The National Weather Service in Reno has issued a * Flash Flood Warning for... South Central Washoe County in western Nevada... * Until 700 PM PDT. * At 403 PM PDT, Doppler radar indicated thunderstorms producing heavy rain across 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... Spanish Springs, Highway 445. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3979 11977 3979 11961 3975 11939 3962 11942 3963 11981 3966 11981 FLASH FLOOD...RADAR INDICATED