Great Falls Weather Forecast

    • 15
    • 36

    Decreasing Clouds

    • 30
    • 53

    Mostly Sunny

    • 34
    • 59

    Breezy

    • 32
    • 57

    Slight Chance Rain

    • 38
    • 64

    Partly Sunny

    • 42
    • 71

    Chance Rain

    • 42
    • 67

    Chance Rain

Today 19 Apr Cascade County below 5000ft

Mostly cloudy. Chance of Flurries. Highs 30 to 35. North Winds 5 to 10 Mph.

Tonight 19 Apr Cascade County below 5000ft

Mostly cloudy in the evening then becoming partly cloudy. Lows around 15. East Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Falls Temperature Statistics

April Temperature

Great Falls, Great Falls International Airport (3.7 miles)

  • Lowest 17 April, 2024

    21.9 °F

  • Average April

    45.4 °F

  • Highest 14 April, 2024

    74.6 °F

Climate (2019–Present)

Great Falls, Great Falls International Airport (3.7 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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