190 WGUS55 KSLC 231914 FFWSLC UTC055-232215- /O.NEW.KSLC.FF.W.0083.260823T1914Z-260823T2215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Salt Lake City UT 114 PM MDT Sun Aug 23 2026 The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... South Central Wayne County in southern Utah... * Until 415 PM MDT. * At 114 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across portions of Capitol Reef National Park, including Grand Wash, Wonderland Canyon, Timpie Canyon, and Capitol Gorge. Between 0.25 and 0.75 inches of rain have fallen. 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... Caineville and portions of Capitol Reef National Park, including Grand Wash, Wonderland Canyon, Timpie Canyon, and Capitol Gorge. 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. 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 3823 11131 3829 11120 3829 11109 3834 11103 3832 11100 3826 11104 3817 11123 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE $$ JAC  897 WUUS53 KUNR 231936 SVRUNR SDC081-103-232030- /O.NEW.KUNR.SV.W.0315.260823T1936Z-260823T2030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Rapid City SD 136 PM MDT Sun Aug 23 2026 The National Weather Service in Rapid City has issued a * Severe Thunderstorm Warning for... Southeastern Lawrence County in west central South Dakota... West Central Pennington County in west central South Dakota... * Until 230 PM MDT. * At 136 PM MDT, a severe thunderstorm was located near Silver City, or 15 miles north of Hill City, moving southeast at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Hill City, Johnson Siding, Nemo, Silver City, Hisega, Mystic, Pactola Reservoir and Sheridan Lake. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail. && LAT...LON 4413 10371 4422 10354 4420 10347 4419 10345 4414 10345 4414 10341 4406 10335 4389 10358 TIME...MOT...LOC 1936Z 317DEG 10KT 4414 10356 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Helgeson  618 WUUS55 KCYS 231952 SVRCYS NEC045-232030- /O.NEW.KCYS.SV.W.0287.260823T1952Z-260823T2030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Cheyenne WY 152 PM MDT Sun Aug 23 2026 The National Weather Service in Cheyenne has issued a * Severe Thunderstorm Warning for... Central Dawes County in the Panhandle of Nebraska... * Until 230 PM MDT. * At 152 PM MDT, a severe thunderstorm was located near Crawford, or 19 miles west of Chadron, 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... Crawford, Whitney, Whitney Lake, and Roberts Trailhead Campground. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4270 10344 4278 10345 4280 10305 4254 10306 TIME...MOT...LOC 1952Z 281DEG 20KT 4272 10336 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Natoli