Significant Coastal Impacts from Nor'Easter; Hurricane Nolo Bring Gusty Winds and Heavy Rain to Hawaii

A nor'easter will continue to bring significant coastal impacts to the Mid-Atlantic and New England into Monday. Moderate to major coastal flooding, heavy rain, strong winds, and high surf are expected. Hurricane Nolo will remain south of the Big Island of Hawaii with gusty winds and heavy rainfall that may bring significant, life-threatening flooding and mudslides through the weekend. Read More >

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Last Map Update: Sat, Sep 26, 2026 at 7:10:18 pm MDT

Watches, Warnings & Advisories

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National Weather Service Great Falls, MT

Frost Advisory

Protect Your Late-Season Garden

Widespread frost and freezing temperatures are expected late Saturday night through Sunday morning across Western Montana and the higher elevation valleys of North-central Idaho. While this is a normal time of year to see morning lows this cold, this will be our first widespread drop toward freezing we've experienced so far this season. Temperatures will plummet into the mid-to-upper 20s and low 30s from midnight through sunrise on Sunday, September 27. Take action today: cover up those late-season tomatoes and pumpkins, making sure to protect any sensitive vegetation before you go to sleep tonight.