934 WUUS53 KUNR 240101 SVRUNR SDC063-105-240145- /O.NEW.KUNR.SV.W.0321.260824T0101Z-260824T0145Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Rapid City SD 701 PM MDT Sun Aug 23 2026 The National Weather Service in Rapid City has issued a * Severe Thunderstorm Warning for... Northeastern Harding County in northwestern South Dakota... Northwestern Perkins County in northwestern South Dakota... * Until 745 PM MDT. * At 701 PM MDT, a severe thunderstorm was located near Ralph, or 24 miles northeast of Buffalo, moving south 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... Reva, Ralph and northwestern Slim Buttes. 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 4583 10328 4587 10306 4555 10282 4548 10323 TIME...MOT...LOC 0101Z 345DEG 25KT 4579 10315 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Schweigert  035 WUUS53 KBIS 240102 SVRBIS NDC025-055-240200- /O.NEW.KBIS.SV.W.0286.260824T0102Z-260824T0200Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Bismarck ND 802 PM CDT Sun Aug 23 2026 The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... Northwestern McLean County in south central North Dakota... Northeastern Dunn County in southwestern North Dakota... * Until 900 PM CDT /800 PM MDT/. * At 802 PM CDT /702 PM MDT/, a severe thunderstorm was located 7 miles northwest of Mckenzie Bay Recreation Area, or 39 miles east of Watford City, moving east at 10 mph. HAZARD...Golf ball size hail. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect damage to roofs, siding, windows, and vehicles. * Locations impacted include... Mckenzie Bay Recreation Area, Skunk Creek Bay Recreation Area, Fort Berthold and Deep Water Creek Recreation Area. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm is capable of producing dangerous hail. && LAT...LON 4769 10262 4778 10257 4778 10249 4776 10247 4776 10243 4775 10242 4775 10240 4776 10239 4778 10239 4779 10214 4750 10229 TIME...MOT...LOC 0102Z 291DEG 9KT 4769 10244 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ Smith  975 WUUS53 KUNR 240119 SVRUNR SDC063-105-240200- /O.NEW.KUNR.SV.W.0322.260824T0119Z-260824T0200Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Rapid City SD 719 PM MDT Sun Aug 23 2026 The National Weather Service in Rapid City has issued a * Severe Thunderstorm Warning for... East Central Harding County in northwestern South Dakota... West Central Perkins County in northwestern South Dakota... * Until 800 PM MDT. * At 719 PM MDT, a severe thunderstorm was located 5 miles west of Prairie City, or 31 miles east of Buffalo, moving southeast at 25 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... Sorum, Prairie City and Date. 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. 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 4559 10303 4565 10276 4536 10244 4524 10293 TIME...MOT...LOC 0119Z 337DEG 22KT 4555 10290 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Schweigert  284 WUUS55 KGGW 240127 SVRGGW MTC033-069-240230- /O.NEW.KGGW.SV.W.0131.260824T0127Z-260824T0230Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Glasgow MT 727 PM MDT Sun Aug 23 2026 The National Weather Service in Glasgow has issued a * Severe Thunderstorm Warning for... Central Petroleum County in northeastern Montana... Southwestern Garfield County in northeastern Montana... * Until 830 PM MDT. * At 726 PM MDT, a severe thunderstorm was located 10 miles north of Winnett, moving east at 50 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Winnett, Sand Springs, Edwards, Mosby, Petrolia Lake, Steve Fork, and Cat Creek. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4689 10852 4725 10844 4735 10721 4689 10719 TIME...MOT...LOC 0126Z 269DEG 44KT 4714 10830 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...70 MPH $$ TFJ  815 WUUS53 KUNR 240143 SVRUNR SDC063-105-240230- /O.NEW.KUNR.SV.W.0323.260824T0143Z-260824T0230Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Rapid City SD 743 PM MDT Sun Aug 23 2026 The National Weather Service in Rapid City has issued a * Severe Thunderstorm Warning for... East Central Harding County in northwestern South Dakota... West Central Perkins County in northwestern South Dakota... * Until 830 PM MDT. * At 743 PM MDT, a severe thunderstorm was located near Reva, or 26 miles east of Buffalo, 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... Reva and Sorum. 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 4560 10313 4564 10296 4538 10266 4528 10304 TIME...MOT...LOC 0142Z 329DEG 21KT 4557 10302 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Schweigert  873 WUUS53 KUNR 240145 SVRUNR SDC063-105-240230- /O.NEW.KUNR.SV.W.0324.260824T0145Z-260824T0230Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Rapid City SD 745 PM MDT Sun Aug 23 2026 The National Weather Service in Rapid City has issued a * Severe Thunderstorm Warning for... East Central Harding County in northwestern South Dakota... Western Perkins County in northwestern South Dakota... * Until 830 PM MDT. * At 745 PM MDT, a severe thunderstorm was located 8 miles southwest of Ralph, or 19 miles northeast of Buffalo, moving southeast at 25 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Reva and northwestern Slim Buttes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail. && LAT...LON 4571 10332 4577 10310 4551 10285 4544 10328 TIME...MOT...LOC 0144Z 334DEG 22KT 4570 10320 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Schweigert  412 WUUS53 KUNR 240157 SVRUNR SDC105-240245- /O.NEW.KUNR.SV.W.0325.260824T0157Z-260824T0245Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Rapid City SD 757 PM MDT Sun Aug 23 2026 The National Weather Service in Rapid City has issued a * Severe Thunderstorm Warning for... Southwestern Perkins County in northwestern South Dakota... * Until 845 PM MDT. * At 757 PM MDT, a severe thunderstorm was located near Date, or 42 miles east of Buffalo, 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... Date. 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. 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 4538 10285 4544 10267 4515 10232 4505 10273 TIME...MOT...LOC 0157Z 330DEG 21KT 4537 10275 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Schweigert