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    First snow · Montana

    When is the first snow in Montana?

    Montana’s first snow usually lands first in Great Falls, around October 6, and last in Missoula, around November 4.

    Montana’s first snow turns up in early October, when most states are still debating sweaters.
    Get roasted by your own forecastFree, no account, and you pick how rude I get.

    That makes Montana number 3 of the 36 states we track, earliest first.

    Last updated

    Snow in the next 5 days?

    • Yes. Snow is in the Great Falls forecast for Tuesday.
    • Yes. Snow is in the Billings forecast for Thursday.
    • Yes. Snow is in the Helena forecast for Tuesday.
    • Yes. Snow is in the Missoula forecast for today.

    Live 5-day forecast and current temperature from OpenWeatherMap, refreshed about every half hour. Winter warnings from the National Weather Service.

    First snow, city by city

    CityUsually around8 winters in 10Snow a winter
    Great FallsOctober 6September 21 to October 25about 65 in
    BillingsOctober 14September 30 to November 18about 56 in
    HelenaOctober 26October 2 to November 14about 38 in
    MissoulaNovember 4October 11 to November 19about 43 in

    Usually around is the middle date across 30 winters. In 8 winters out of 10, the first snow lands inside the range.

    States on the same snow schedule

    • Wyoming: from around October 4 in Casper
    • Alaska: from around September 30 in Fairbanks
    • Colorado: from around October 21 in Denver

    Every state’s first snow, earliest first

    Source: NOAA daily snowfall records for each city’s official station, winters 1991 to 2020, via the Applied Climate Information System. First snow here means the first day with at least a tenth of an inch.

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