Great Falls Weather Forecast

    • 39
    • 59

    Rain Showers Likely

    • 39
    • 59

    Chance Rain

    • 41
    • 60

    Breezy

    • 28
    • 60

    Rain/Snow Likely

    • 21
    • 40

    Chance Snow

    • 27
    • 49

    Slight Chance Rain/Snow

    • 31
    • 54

    Partly Sunny

Today 12 Apr Cascade County below 5000ft

Cooler. Partly sunny. A 50 percent chance of rain Showers late in the afternoon. Near steady temperature in the mid 50s. Northeast Winds 5 to 10 Mph.

Tonight 12 Apr Cascade County below 5000ft

Rain Showers early in the Evening, then chance of rain Showers after midnight. Lows in the upper 30s. Northeast Winds up to 15 Mph. Chance of Showers near 100 percent.

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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 8 April, 2026

    21.7 °F

  • Average April

    41.4 °F

  • Highest 7 April, 2026

    69.7 °F

Climate (2021–Present)

Great Falls, Great Falls International Airport (3.7 miles)

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  • Average Low 2021–2026

    34.4 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    59 °F
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