Winter Storm Warning

Full Alert Message

URGENT - WINTER WEATHER MESSAGE National Weather Service Missoula MT 138 PM MDT Fri Mar 13 2026 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY... * WHAT...Heavy snow. There is a likelihood of developing or ongoing major winter weather impacts. Additional snow accumulations of 6 to 10 inches, except 1 to 3 inches in the lower elevations. * WHERE...Evaro Hill, Highway 200 Trout Creek to Heron, I-90 Lookout Pass to Haugan, and Highway 200 Thompson Falls to Plains. * WHEN...Until noon MDT Saturday. * IMPACTS...For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. Widespread closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Friday evening commute, especially over higher passes. * ADDITIONAL DETAILS...Intense snow squalls are expected Saturday afternoon through evening causing periods of very heavy snow, gusty winds, and icy conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.