A strong cold front will move through the Northern Rockies on Wednesday causing a pattern change for the region. Temperatures will be significantly cooler with the potential of frost/freeze in the valleys by Sunday morning. Areas along the divide, especially around Glacier National Park, could receive some snow accumulations down to 5000 feet by Thursday morning.

The National Weather Service in Missoula will host a virtual Weather Spotter training session on Friday, June 5th, 2026. This "Spotter Talk" is designed for residents across Western Montana and North Central Idaho who want to learn how to identify and report significant weather events to the NWS. Expect a widespread soaking rain and a dramatic 30-degree temperature plunge from Tuesday's highs. If you're recreating through the high country, be prepared for slush and snow down to 4,500 feet by Thursday morning! Mountain passes, especially along the Continental Divide, may see accumulations by Thursday morning 🏔️❄️