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

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2026-08-31 17:14:04
WUUS55 KPSR 312113
Severe Thunderstorm Warning

041 WUUS55 KPSR 312113 SVRPSR AZC012-312145- /O.NEW.KPSR.SV.W.0116.260831T2113Z-260831T2145Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Phoenix AZ 213 PM MST Mon Aug 31 2026 The National Weather Service in Phoenix has issued a * Severe Thunderstorm Warning for... North central La Paz County in west central Arizona... * Until 245 PM MST. * At 213 PM MST, a severe thunderstorm was located 10 miles west of Bouse, or 14 miles south of Parker, moving northeast at 20 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * This severe thunderstorm will remain over mainly rural areas of north central La Paz County. This includes the following highways... AZ Route 72 between mile markers 14 and 22. AZ Route 95 between mile markers 122 and 139. 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. && LAT...LON 3382 11418 3393 11432 3414 11426 3407 11399 TIME...MOT...LOC 2113Z 210DEG 18KT 3393 11421 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.88 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-31 17:11:53
WGUS55 KSLC 312111
Flash Flood Warning

566 WGUS55 KSLC 312111 FFWSLC UTC031-010015- /O.NEW.KSLC.FF.W.0113.260831T2111Z-260901T0015Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Salt Lake City UT 311 PM MDT Mon Aug 31 2026 The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... The Cottonwood burn scar Piute in... West Central Piute County in central Utah... * Until 615 PM MDT. * At 311 PM MDT, Emergency management reported flooding and debris flow on the City Creek drainage and subsequent flooding across Highway 89 due to heavy rain over the Cottonwood Burn Scar. Between 0.5 and 1 inch of rain has fallen. Flash flooding is ongoing. 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 Cottonwood Burn Scar. SOURCE...Emergency management reported. IMPACT...Life threatening flash flooding of areas in and around the Cottonwood Burn Scar, especially the City Creek drainage. 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 Cottonwood 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. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3831 11234 3831 11233 3827 11231 3828 11231 3826 11225 3826 11221 3825 11220 3826 11228 3827 11230 3824 11235 3825 11238 3829 11234 3830 11235 3831 11235 FLASH FLOOD...OBSERVED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

2026-08-31 17:03:07
WUUS55 KPSR 312102
Severe Thunderstorm Warning

398 WUUS55 KPSR 312102 SVRPSR AZC012-312145- /O.NEW.KPSR.SV.W.0115.260831T2102Z-260831T2145Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Phoenix AZ 202 PM MST Mon Aug 31 2026 The National Weather Service in Phoenix has issued a * Severe Thunderstorm Warning for... North central La Paz County in west central Arizona... * Until 245 PM MST. * At 202 PM MST, a severe thunderstorm was located 8 miles south of Bouse, or 24 miles southeast of Parker, moving northeast at 15 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Bouse. This includes AZ Route 72 between mile markers 20 and 34. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3374 11402 3379 11420 3404 11408 3395 11381 TIME...MOT...LOC 2102Z 213DEG 15KT 3382 11408 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-31 16:34:05
WUUS55 KPSR 312033
Severe Thunderstorm Warning

869 WUUS55 KPSR 312033 SVRPSR AZC012-312115- /O.NEW.KPSR.SV.W.0114.260831T2033Z-260831T2115Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Phoenix AZ 133 PM MST Mon Aug 31 2026 The National Weather Service in Phoenix has issued a * Severe Thunderstorm Warning for... Northwestern La Paz County in west central Arizona... * Until 215 PM MST. * At 133 PM MST, a severe thunderstorm was located 13 miles northwest of Quartzsite, or 20 miles south of Parker, moving north at 15 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Poston. This includes the following highways... AZ Route 72 between mile markers 14 and 21. AZ Route 95 between mile markers 116 and 136. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3375 11422 3380 11445 3409 11441 3401 11406 TIME...MOT...LOC 2033Z 196DEG 13KT 3384 11434 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-31 16:31:09
WUUS55 KSLC 312030
Severe Thunderstorm Warning

699 WUUS55 KSLC 312030 SVRSLC UTC023-027-312115- /O.NEW.KSLC.SV.W.0116.260831T2030Z-260831T2115Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Salt Lake City UT 230 PM MDT Mon Aug 31 2026 The National Weather Service in Salt Lake City has issued a * Severe Thunderstorm Warning for... Northeastern Millard County in central Utah... East central Juab County in central Utah... * Until 315 PM MDT. * At 229 PM MDT, a severe thunderstorm was located 10 miles northeast of Delta, moving northeast at 20 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Delta, Leamington, Lynndyl, Sugarville, and Little Sahara State Park. This includes the following highways... US Route 6 between mile markers 90 and 117. US Route 50 between mile markers 90 and 96. 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 flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3930 11248 3944 11272 3982 11248 3957 11211 TIME...MOT...LOC 2029Z 210DEG 15KT 3948 11245 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.88 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-31 16:23:02
WGUS55 KSLC 312022
Flash Flood Warning

489 WGUS55 KSLC 312022 FFWSLC UTC053-312315- /O.NEW.KSLC.FF.W.0112.260831T2022Z-260831T2315Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Salt Lake City UT 222 PM MDT Mon Aug 31 2026 The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... East Central Washington County in southwestern Utah... * Until 515 PM MDT. * At 222 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the Kolob Canyon portion of Zion National Park, including Taylor Creek and La Verkin Creek. Up to 0.75 inches of rain have fallen. Additional rainfall amounts up to 0.5 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, streams, slot canyons, and normally dry washes. * Some locations that will experience flash flooding include... Kolob Canyon portion of Zion National Park, including the Middle and South Forks of Taylor Creek, La Verkin Creek, and Kolob Arch. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Move to higher ground now. Act quickly to protect your life. Remain alert for flooding even in locations not receiving rain. Dry washes, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall. && LAT...LON 3747 11313 3743 11306 3740 11307 3738 11322 3745 11322 3746 11325 3747 11324 3748 11315 3747 11315 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

2026-08-31 15:52:46
WGUS55 KSLC 311952
Flash Flood Warning
253 WGUS55 KSLC 311952 FFWSLC UTC031-312245- /O.NEW.KSLC.FF.W.0111.260831T1952Z-260831T2245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Salt Lake City UT 152 PM MDT Mon Aug 31 2026 The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... The Silver King Burn Scar in... Northwestern Piute County in central Utah... * Until 445 PM MDT. * At 152 PM MDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain over the Silver King Burn Scar. Between 0.5 and 0.75 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. Excessive rainfall over the burn scar will result in debris flow moving through the Bullion Canyon, Beaver Creek Canyon, and Deer Creek Canyon drainages. 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 Silver King Burn Scar. SOURCE...Radar and automated gauges. IMPACT...Life threatening flash flooding of areas in and around the Silver King Burn Scar. PRECAUTIONARY/PREPAREDNESS ACTIONS... Intense rainfall is falling over the Silver King burn scar, particularly Beaver Creek. Flash flooding and debris flows initiating within Bullion Canyon, Beaver Creek Canyon and Deer Creek Canyon are expected to travel downstream impacting portions of the city of Marysvale, and US 89 between mile posts 179 and 184. && LAT...LON 3851 11226 3847 11222 3845 11222 3838 11227 3838 11235 3843 11240 3849 11239 FLASH FLOOD...RADAR AND GAUGE INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

2026-08-31 15:48:55
WGUS55 KSLC 311948
Flash Flood Warning

447 WGUS55 KSLC 311948 FFWSLC UTC017-312245- /O.NEW.KSLC.FF.W.0110.260831T1948Z-260831T2245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Salt Lake City UT 148 PM MDT Mon Aug 31 2026 The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... Central Garfield County in southern Utah... * Until 445 PM MDT. * At 148 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across Pine Creek Box Canyon, likely resulting in water moving downstream through Upper Escalante River Canyon. Up to 0.5 inches of rain have fallen on top of heavy rain that fell earlier today. 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, streams, slot canyons, and normally dry washes. * Some locations that will experience flash flooding include... Pine Creek Box Canyon and Upper Escalante River Canyon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Move to higher ground now. Act quickly to protect your life. Remain alert for flooding even in locations not receiving rain. Dry washes, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall. && LAT...LON 3796 11168 3799 11162 3786 11161 3780 11157 3780 11148 3776 11146 3777 11158 3778 11159 3786 11165 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

2026-08-31 15:45:40
WUUS55 KSLC 311945
Severe Thunderstorm Warning
189 WUUS55 KSLC 311945 SVRSLC UTC023-027-312030- /O.NEW.KSLC.SV.W.0115.260831T1945Z-260831T2030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Salt Lake City UT 145 PM MDT Mon Aug 31 2026 The National Weather Service in Salt Lake City has issued a * Severe Thunderstorm Warning for... Northeastern Millard County in central Utah... Central Juab County in central Utah... * Until 230 PM MDT. * At 145 PM MDT, a severe thunderstorm was located 9 miles southwest of Delta, moving northeast 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... Delta, Hinckley, Oak City, Leamington, Lynndyl, Abraham, Sutherland, Sugarville, and Little Sahara State Park. This includes the following highways... US Route 6 between mile markers 68 and 110. US Route 50 between mile markers 90 and 98. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3913 11270 3925 11295 3971 11251 3946 11214 TIME...MOT...LOC 1945Z 219DEG 27KT 3930 11274 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-31 15:00:57
WGUS55 KSLC 311900
Flash Flood Warning
023 WGUS55 KSLC 311900 FFWSLC UTC025-053-312200- /O.NEW.KSLC.FF.W.0109.260831T1900Z-260831T2200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Salt Lake City UT 100 PM MDT Mon Aug 31 2026 The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... West Central Kane County in southern Utah... East Central Washington County in southwestern Utah... * Until 400 PM MDT. * At 100 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across 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 slot canyons, normally dry washes, creeks, streams, and rivers. * Some locations that will experience flash flooding include... Zion National Park, Springdale, Keyhole and Spry Slot Canyons, Parunuweap Canyon, and the East Fork of the Virgin River. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3713 11290 3716 11301 3723 11295 3727 11282 3718 11271 3711 11283 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

2026-08-31 14:26:25
WUUS55 KVEF 311826
Severe Thunderstorm Warning

374 WUUS55 KVEF 311826 SVRVEF AZC015-NVC003-311915- /O.NEW.KVEF.SV.W.0058.260831T1826Z-260831T1915Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Las Vegas NV 1126 AM PDT Mon Aug 31 2026 The National Weather Service in Las Vegas has issued a * Severe Thunderstorm Warning for... North Central Mohave County in northwestern Arizona... Northeastern Clark County in southern Nevada... * Until 1215 PM PDT /1215 PM MST/. * At 1126 AM PDT /1126 AM MST/, a severe thunderstorm was located 12 miles south of Littlefield, or 10 miles southeast of Mesquite, moving northeast at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Mesquite, Littlefield, Beaver Dam, Virgin River Gorge, Virgin River Campground and Bunkerville. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds. && LAT...LON 3668 11405 3675 11419 3684 11412 3684 11405 3693 11405 3700 11399 3700 11353 3661 11391 TIME...MOT...LOC 1825Z 213DEG 28KT 3671 11396 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-31 14:20:24
WGUS55 KSLC 311820
Flash Flood Warning
782 WGUS55 KSLC 311820 FFWSLC UTC017-312115- /O.NEW.KSLC.FF.W.0108.260831T1820Z-260831T2115Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Salt Lake City UT 1220 PM MDT Mon Aug 31 2026 The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... South Central Garfield County in southern Utah... * Until 315 PM MDT. * At 1220 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across 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 slot canyons, normally dry washes, creeks, streams and rivers in the area. * Some locations that will experience flash flooding include... Harris Wash, Zebra and Egypt 1, 2 and 3. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3773 11139 3765 11144 3759 11139 3755 11125 3759 11118 3770 11129 3772 11134 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

2026-08-31 14:18:44
WGUS55 KTWC 311818
Flash Flood Warning

558 WGUS55 KTWC 311818 FFWTWC AZC019-312115- /O.NEW.KTWC.FF.W.0175.260831T1818Z-260831T2115Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Tucson AZ 1118 AM MST Mon Aug 31 2026 The National Weather Service in Tucson has issued a * Flash Flood Warning for... Northeastern Pima County in southeastern Arizona... * Until 215 PM MST. * At 1118 AM MST, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1.5 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area. Flash flooding is already occurring. 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... Tucson, Marana, Sahuarita, Green Valley, Davis-Monthan Air Force Base, Casas Adobes, Drexel Heights, Flowing Wells, Corona De Tucson, South Tucson, Three Points, Avra Valley, Pascua Pueblo Yaqui Reservation, Tortolita, East Sahuarita, San Xavier Community, Valencia West, Summit, Tucson Estates and Tucson International Airport. This includes the following highways... Interstate 19 between mile markers 31 and 63. Route 86 between mile markers 146 and 171. Route 77 between mile markers 70 and 73. Interstate 10 between mile markers 233 and 275. Route 286 between mile markers 25 and 45. Route 83 between mile markers 42 and 45. This includes the following Flash Flood Prone Locations... Manville Rd at Brawley Wash, Country Club Rd at Franco Wash, Houghton Rd from I-10 & Sahuarita Rd, Santa Clara Ave at El Vado Wash, 1st Ave north of Fort Lowell Rd, Stone Ave at Mabel St, Sahuarita Rd west of Wilmot Rd, Twin Peaks Rd between Sanders and Sandario, Silverbell Rd near Ina Rd, Camino De La Tierra at the Rillito River, Camino de Oeste from Sweetwater to Gates Pass, Drexel Rd east of Alvernon Way, Ironwood Hills Dr from Shannon to Camino de Oeste, Mark Rd from Jeffery Rd to Los Reales Rd, Mission Rd from Valencia Rd to San Xavier Rd, Old Vail COnnection Rd at Franco Wash, Sunset Rd west of Camino de Oeste and Black Wash at S Camino de Oeste. This includes the following streams and drainages... Brown Wash, Santa Cruz River, Rillito River, Box Canyon Wash, Seco, Arroyo, Cienega Creek, Banner Wash, Sopori Wash, Bolas Blancas Wash, Alambre Wash, Soto Wash, Pantano Wash, Thomas Canyon Wash, Guild Wash, Little Thomas Wash, Robles Wash, Los, Saucito Wash, Demetrie Wash, Arivaca Creek, Oro, Cañada del, South Mendoza Wash, West Branch Santa Cruz River, Mendoza Wash, Blanco Wash, Champurrado Wash, Altar Wash, Peñitas Wash, Fresno Wash, Cerro Prieto Wash, Chico, Arroyo, Gardner Canyon, Old Junction Wash, Fortynine Wash and Brawley Wash. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3176 11069 3171 11146 3233 11134 3250 11129 3250 11121 3224 11086 3204 11076 FLASH FLOOD...RADAR AND GAUGE INDICATED

2026-08-31 14:04:43
WUUS55 KSLC 311804
Severe Thunderstorm Warning
313 WUUS55 KSLC 311804 SVRSLC UTC053-311845- /O.NEW.KSLC.SV.W.0114.260831T1804Z-260831T1845Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Salt Lake City UT 1204 PM MDT Mon Aug 31 2026 The National Weather Service in Salt Lake City has issued a * Severe Thunderstorm Warning for... Southeastern Washington County in southwestern Utah... * Until 1245 PM MDT. * At 1204 PM MDT, a severe thunderstorm was located 11 miles southeast of Sand Hollow State Park, or 15 miles west of Colorado City, moving northeast 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... Zion National Park, La Verkin, Apple Valley, Virgin, Springdale, and Rockville. 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. && LAT...LON 3700 11311 3700 11337 3733 11314 3718 11289 3714 11290 3699 11306 TIME...MOT...LOC 1804Z 215DEG 22KT 3697 11326 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-31 13:51:30
WUUS55 KSLC 311751
Severe Thunderstorm Warning

110 WUUS55 KSLC 311751 SVRSLC UTC017-021-025-311815- /O.NEW.KSLC.SV.W.0113.260831T1751Z-260831T1815Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Salt Lake City UT 1151 AM MDT Mon Aug 31 2026 The National Weather Service in Salt Lake City has issued a * Severe Thunderstorm Warning for... Southwestern Garfield County in southern Utah... Northwestern Kane County in southern Utah... Southeastern Iron County in southern Utah... * Until 1215 PM MDT. * At 1151 AM MDT, a severe thunderstorm was located 12 miles south of Cedar Breaks National Monument, or 14 miles northeast of Zion National Park, moving northeast 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. * This severe thunderstorm will remain over mainly rural areas of southwestern Garfield, northwestern Kane and southeastern Iron Counties. 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. && LAT...LON 3743 11291 3750 11290 3768 11268 3751 11253 3739 11286 TIME...MOT...LOC 1751Z 239DEG 15KT 3745 11284 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-31 13:43:29
WUUS55 KVEF 311743
Severe Thunderstorm Warning

115 WUUS55 KVEF 311743 SVRVEF AZC015-311830- /O.NEW.KVEF.SV.W.0057.260831T1743Z-260831T1830Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Las Vegas NV 1043 AM PDT Mon Aug 31 2026 The National Weather Service in Las Vegas has issued a * Severe Thunderstorm Warning for... Northern Mohave County in northwestern Arizona... * Until 1130 AM MST. * At 1043 AM MST, a severe thunderstorm was located 22 miles east of Virgin River Campground, or 23 miles east of Virgin River Gorge, moving northeast at 15 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Mainly rural areas of Northern Mohave County. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds. && LAT...LON 3688 11360 3700 11356 3700 11316 3678 11334 TIME...MOT...LOC 1742Z 207DEG 13KT 3686 11341 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

2026-08-31 13:17:14
WGUS55 KSLC 311716
Flash Flood Warning

169 WGUS55 KSLC 311716 FFWSLC UTC025-053-312015- /O.NEW.KSLC.FF.W.0107.260831T1716Z-260831T2015Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Salt Lake City UT 1116 AM MDT Mon Aug 31 2026 The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... West Central Kane County in southern Utah... East Central Washington County in southwestern Utah... * Until 215 PM MDT. * At 1116 AM MDT, Doppler radar indicated thunderstorms producing heavy rain across 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 slot canyons, normally dry washes, streams, creeks, and rivers. * Some locations that will experience flash flooding include... Zion National Park including the Subway, the Narrows and all other slot canyons, creeks, normally dry washes and slot canyons in the warning area. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Remain alert for flooding even in locations not receiving rain. Dry washes, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall. && LAT...LON 3723 11295 3716 11301 3716 11302 3733 11312 3740 11303 3742 11298 3736 11278 3727 11282 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

2026-08-31 13:05:12
WGUS55 KSLC 311704
Flash Flood Warning

123 WGUS55 KSLC 311704 FFWSLC UTC017-025-312300- /O.NEW.KSLC.FF.W.0106.260831T1704Z-260831T2300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Salt Lake City UT 1104 AM MDT Mon Aug 31 2026 The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... South Central Garfield County in southern Utah... Northeastern Kane County in southern Utah... * Until 500 PM MDT. * At 1104 AM MDT, The river gauge on the Escalante at Escalante indicated a flood wave near 400 cfs and climbing will be surging down the Escalante River. Flash flooding is already occurring. HAZARD...Life threatening flash flooding. SOURCE...Radar and automated gauges. IMPACT...Life threatening flash flooding of the Escalante River. * Some locations that will experience flash flooding include... The Escalante River from near the town of Escalante to the terminus at Lake Powell. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3780 11146 3774 11120 3735 11087 3733 11087 3732 11085 3732 11084 3728 11088 3770 11129 3776 11146 3780 11148 FLASH FLOOD...RADAR AND GAUGE INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

2026-08-31 12:47:04
WGUS55 KSLC 311646
Flash Flood Warning
385 WGUS55 KSLC 311646 FFWSLC UTC015-055-312045- /O.NEW.KSLC.FF.W.0105.260831T1646Z-260831T2045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Salt Lake City UT 1046 AM MDT Mon Aug 31 2026 The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... Southwestern Emery County in central Utah... Northern Wayne County in southern Utah... * Until 245 PM MDT. * At 1046 AM MDT, Doppler radar indicated thunderstorms producing heavy rain across 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 slot canyons, normally dry washes, creeks, streams, and rivers. * Some locations that will experience flash flooding include... Goblin Valley, Little Wildhorse, Bell, Muddy Creek, Crack, Chute, Ding and Dang Canyons. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Remain alert for flooding even in locations not receiving rain. Dry washes, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall. && LAT...LON 3850 11112 3867 11123 3875 11083 3892 11056 3885 11032 3853 11069 3847 11110 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

2026-08-31 12:19:58
WGUS55 KSLC 311619
Flash Flood Warning

617 WGUS55 KSLC 311619 FFWSLC UTC017-055-311915- /O.NEW.KSLC.FF.W.0104.260831T1619Z-260831T1915Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Salt Lake City UT 1019 AM MDT Mon Aug 31 2026 The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... North Central Garfield County in southern Utah... South Central Wayne County in southern Utah... * Until 115 PM MDT. * At 1019 AM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. The expected rainfall rate is 0.5 to 1 inch in 45 minutes. 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... Capitol Reef National Park including the Scenic Drive, Capitol Gorge, Grand Wash, Sulphur Creek, Pleasant Creek and all other dry washes, creeks, and slot canyons in the area. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Remain alert for flooding even in locations not receiving rain. Dry washes, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall. && LAT...LON 3815 11125 3832 11140 3839 11111 3802 11083 3794 11122 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE EXPECTED RAINFALL RATE...0.5-1 INCH IN 45 MINUTES