Expires:202507160115;Remove:202507160115;509955 WWUS85 KBYZ 160023 SPSBYZ Special Weather Statement National Weather Service Billings MT 623 PM MDT Tue Jul 15 2025 MTZ138-169-171-WYZ198-199-160115- Southern Big Horn MT-Bighorn Canyon MT-Sheridan Foothills WY- Pryor/Northern Bighorn Mountains MT-Northeast Bighorn Mountains WY- 623 PM MDT Tue Jul 15 2025 ...AN AREA OF STRONG THUNDERSTORMS WILL IMPACT SOUTH CENTRAL BIG HORN AND NORTHWESTERN SHERIDAN COUNTIES UNTIL 715 PM MDT... At 623 PM MDT, Doppler radar was tracking an area of strong thunderstorms 26 miles south of Fort Smith, or 55 miles west of Sheridan, moving east at 35 mph. HAZARD...Wind gusts up to 30 mph, pea size hail, very heavy rainfall and frequent lightning. SOURCE...Radar indicated. IMPACT...Heavy rainfall may cause minor flooding of small streams and make rural roads difficult to drive on. Locations impacted include... Ranchester, Dayton, Lodge Grass, Wyola, Parkman, Bighorn Lake and northern section of the Elk Burn Scar. PRECAUTIONARY/PREPAREDNESS ACTIONS... If outdoors, consider seeking shelter inside a building. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. People in campgrounds should consider seeking sturdy shelter until this storm passes. && LAT...LON 4525 10809 4535 10732 4480 10714 4479 10783 4482 10782 4487 10786 4491 10785 4493 10788 4499 10788 4500 10791 4500 10807 TIME...MOT...LOC 0019Z 270DEG 39KT 4494 10806 MAX HAIL SIZE...0.25 IN MAX WIND GUST...30 MPH $$ Tesar