Weather Alerts For Arvada, WY

URGENT - WEATHER MESSAGE National Weather Service Billings MT 140 AM MST Thu Dec 18 2025 Southern Big Horn-Bighorn Canyon-Sheridan Foothills- Including the locations of Fort Smith, Sheridan, Pryor, and Lodge Grass 140 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING NOW IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... * WHAT...Northwest winds with gusts up to 65 mph occurring. * WHERE...In Montana, Bighorn Canyon and Southern Big Horn. In Wyoming, Sheridan Foothills. * WHEN...Until 5 AM MST early this morning. * IMPACTS...Damaging winds may blow down trees and power lines. Travel will be difficult, especially for high profile vehicles. This includes travel on I-90 through Sheridan. Secure loose outdoor items. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. &&