


Special Weather Statement
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
368 WWUS85 KRIW 120540 SPSRIW Special Weather Statement National Weather Service Riverton WY 1140 PM MDT Sat Oct 11 2025 WYZ008-120600- Bighorn Mountains West- 1140 PM MDT Sat Oct 11 2025 ...A STRONG THUNDERSTORM WILL IMPACT NORTHERN BIG HORN COUNTY THROUGH MIDNIGHT MDT... At 1140 PM MDT, Doppler radar was tracking a strong thunderstorm 7 miles northeast of Bighorn Lake, which is 17 miles northeast of Lovell, moving northeast at 40 mph. HAZARD...Wind gusts of 50 to 55 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could blow around unsecured objects. Minor hail damage to vegetation is possible. This storm will remain over mainly rural areas of northern Big Horn County, including the following locations... Bighorn Canyon National Recreation Area. PRECAUTIONARY/PREPAREDNESS ACTIONS... If outdoors, consider seeking shelter inside a building. To report severe weather, contact your nearest law enforcement agency. They will relay your report to the National Weather Service office in Riverton. && LAT...LON 4498 10788 4493 10788 4492 10787 4483 10807 4484 10808 4486 10808 4488 10809 4491 10817 4494 10821 4497 10822 4500 10818 4500 10791 TIME...MOT...LOC 0540Z 230DEG 36KT 4495 10807 MAX HAIL SIZE...0.25 IN MAX WIND GUST...55 MPH $$ TL