Expires:202507281800;Remove:202507281800;251498 WWUS83 KBIS 281722 SPSBIS Special Weather Statement National Weather Service Bismarck ND 1122 AM MDT Mon Jul 28 2025 NDZ040-043-281800- Slope ND-Bowman ND- 1122 AM MDT Mon Jul 28 2025 ...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN BOWMAN AND WESTERN SLOPE COUNTIES THROUGH NOON MDT... At 1122 AM MDT, Doppler radar was tracking a strong thunderstorm 6 miles west of Marmarth, or 11 miles southeast of Baker, moving east at 40 mph. HAZARD...Wind gusts up to 50 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Rhame, Marmarth, Three V Crossing, and Pretty Butte. PRECAUTIONARY/PREPAREDNESS ACTIONS... If outdoors, consider seeking shelter inside a building. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. A Severe Thunderstorm Watch remains in effect until 300 PM MDT for southwestern North Dakota. && LAT...LON 4646 10404 4654 10389 4654 10380 4659 10380 4661 10376 4642 10359 4617 10361 4617 10405 TIME...MOT...LOC 1722Z 253DEG 37KT 4629 10406 MAX HAIL SIZE...0.75 IN MAX WIND GUST...50 MPH $$ HAMILTON