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    Cloudy skies · Montana

    How cloudy is Great Falls?

    Great Falls right now

    52°FClear skies

    • Today56°F / 42°FClear skies
    • Tomorrow57°F / 36°FClear skies
    • Monday56°F / 38°FClouds
    Make the most of it, obviously.

    Live from OpenWeatherMap. Alerts from the National Weather Service.

    In a typical year, the sky over Great Falls is mostly cloudy or overcast about 31% of the time, and clear or nearly clear about 63%.

    April is the cloudiest month, mostly cloudy about 40% of the time, and July the least cloudy, at about 17%. Across winter, December to February, it’s mostly cloudy about 35% of the time. That makes it the 18th least cloudy sky of the 116 US cities we track.

    Last updated

    The forecast for the next 48 hours has the sky mostly cloudy about 13% of the time.

    Great Falls is clear or nearly clear about 63% of the time, so Montana’s Big Sky is mostly blue up here.

    Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.

    The sky at a glance

    Mostly cloudy or overcast, all year31%
    Clear or nearly clear, all year63%
    Mostly cloudy, December to February35%
    Cloudiest monthApril, 40%
    Least cloudy monthJuly, 17%

    Shares of hours across a typical year. Mostly cloudy means at least five eighths of the sky covered; clear or nearly clear means two eighths or less.

    Cities with about the same sky

    Every city’s sky, cloudiest first

    More about the weather here

    Source: NOAA U.S. Climate Normals, hourly, 1991 to 2020, station USW00024143. Airport sensors see cloud up to about 12,000 feet, so thin high cloud isn’t counted.