


Severe Thunderstorm Warning
Issued by NWS Glasgow, MT
Issued by NWS Glasgow, MT
Versions:
1
2
700 WUUS55 KGGW 180059 SVRGGW MTC033-069-071-180200- /O.NEW.KGGW.SV.W.0120.250818T0059Z-250818T0200Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Glasgow MT 659 PM MDT Sun Aug 17 2025 The National Weather Service in Glasgow has issued a * Severe Thunderstorm Warning for... Southwestern Phillips County in northeastern Montana... Petroleum County in northeastern Montana... Southwestern Garfield County in northeastern Montana... * Until 800 PM MDT. * At 657 PM MDT, severe thunderstorms were located along a line extending from 12 miles south of Zortman to 8 miles east of Melstone, moving northeast at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Observed 59 mph wind gust at Winnett DOT site at 645 PM MDT. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Sand Springs, Fourchette, Devils Creek Rec Area, U L Bend Rec Area, Edwards, Mosby, Crooked Creek Rec Area, Petrolia Lake, Sun Prairie, Valentine, Steve Fork, and Cat Creek. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. If on or near Fort Peck Lake, get away from the water and move indoors or inside a vehicle. Remember, lightning can strike out to 15 miles from the parent thunderstorm. If you can hear thunder, you are close enough to be struck by lightning. Move to safe shelter now! Do not be caught on the water in a thunderstorm. && LAT...LON 4790 10766 4738 10729 4695 10727 4686 10731 4685 10789 4682 10785 4676 10783 4675 10818 4731 10845 4732 10831 4758 10831 4757 10834 4759 10839 4758 10842 4762 10844 4760 10848 4762 10852 4762 10859 4771 10865 TIME...MOT...LOC 0057Z 245DEG 25KT 4773 10850 4658 10769 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...OBSERVED MAX WIND GUST...60 MPH $$ Zanker