Great Falls International Airport Weather Forecast

    • 17
    • 39

    Partly Sunny

    • 15
    • 35

    Mostly Cloudy

    • 30
    • 48

    Mostly Sunny

    • 36
    • 56

    Chance Rain

    • 31
    • 54

    Partly Sunny

    • 37
    • 62

    Partly Sunny

    • 41
    • 68

    Chance Rain

Today 18 Apr Cascade County below 5000ft

Mostly cloudy. Slight chance of snow late in the Morning, then isolated snow Showers in the afternoon. Highs 35 to 40. Northwest Winds 5 to 15 Mph. Chance of snow 20 percent.

Tonight 18 Apr Cascade County below 5000ft

Mostly cloudy with isolated snow Showers in the Evening, then partly cloudy after midnight. Lows around 15. North Winds 5 to 15 Mph. Chance of snow 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Falls International Airport Temperature Statistics

April Temperature

Great Falls, Great Falls International Airport (0.6 miles)

  • Lowest 11 April, 2024

    27.8 °F

  • Average April

    46.4 °F

  • Highest 14 April, 2024

    73.9 °F

Climate (2019–Present)

Great Falls, Great Falls International Airport (0.6 miles)

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  • Average Low 2019–2024

    33.8 °F

  • Average 2019–2024

    45.7 °F

  • Average High 2019–2024

    57.3 °F
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