Great Falls Weather Forecast

    • 38
    • 60

    Chance Rain Showers

    • 39
    • 67

    Partly Sunny

    • 43
    • 79

    Mostly Sunny

    • 49
    • 84

    Mostly Sunny

    • 42
    • 71

    Chance Rain Showers

    • 37
    • 61

    Slight Chance Rain Showers

    • 43
    • 71

    Mostly Sunny

Today 30 Apr Cascade County below 5000ft

Mostly cloudy with a 50 percent chance of rain Showers. Highs 55 to 60. Northwest Winds 5 to 10 Mph.

Tonight 30 Apr Cascade County below 5000ft

Mostly cloudy early in the evening then becoming partly cloudy. A 20 percent chance of rain Showers early in the evening. Lows 35 to 40. Southwest Winds up to 10 Mph.

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Great Falls Temperature Statistics

April Temperature

Great Falls, Great Falls International Airport (3.7 miles)

  • Lowest 4 April, 2025

    14.8 °F

  • Average April

    43.9 °F

  • Highest 10 April, 2025

    72.6 °F

Climate (2020–Present)

Great Falls, Great Falls International Airport (3.7 miles)

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  • Average Low 2020–2025

    33.9 °F

  • Average 2020–2025

    46.3 °F

  • Average High 2020–2025

    58.1 °F
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