Expires:202506210015;Remove:202506210015;095752 WUUS53 KBIS 202315 SVRBIS NDC007-025-053-210015- /O.NEW.KBIS.SV.W.0042.250620T2315Z-250621T0015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Bismarck ND 515 PM MDT Fri Jun 20 2025 The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... West central Dunn County in southwestern North Dakota... Northeastern Billings County in southwestern North Dakota... South central McKenzie County in northwestern North Dakota... * Until 615 PM MDT. * At 515 PM MDT, a severe thunderstorm was located 9 miles south of Grassy Butte, or 36 miles northwest of Dickinson, moving northeast at 25 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Killdeer, Grassy Butte, and Oakdale. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4718 10335 4730 10347 4759 10305 4749 10285 4728 10269 TIME...MOT...LOC 2315Z 236DEG 23KT 4727 10331 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ HEINERT