Powerful Pacific Storm to Continue Impacting Northern California; Heavy Snow in the Appalachians and Portions of the Northeast

A strong atmospheric river will continue to impact northern California with heavy rain and life-threatening flooding through Friday. Unsettled weather is expected across much of the Northeast and Great Lakes over the next few days, including the likelihood of heavy snow in the central Appalachians and higher elevations of northeastern Pennsylvania and southern New York. Read More >

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Last Map Update: Fri, Nov 22, 2024 at 5:20:11 am MST

Watches, Warnings & Advisories

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National Weather Service Great Falls, MT

Winter Storm Warning

Winter Weather Advisory

Winter Storm Watch

Hazardous Weather Outlook

Snow Impacts into this Weekend

A low pressure system will bring widespread snow and areas of winter driving conditions across northwest Montana and across mountain passes along I-90, US-12, and US-93 corridors Saturday into Sunday. The timing of cold air into northwest Montana remains a challenge. The majority of forecast solutions (~70%) bring snow into northwest Montana by Saturday evening. Other solutions show the cold air moving in faster, with a 30% for snow down to valley floors by Saturday morning. Stay tuned for further updates!