Gollaher Reservoir Weather Forecast

    • 31
    • 51

    Decreasing Clouds

    • 35
    • 53

    Mostly Sunny

    • 44
    • 68

    Mostly Sunny

    • 41
    • 70

    Breezy

    • 41
    • 62

    Mostly Sunny

    • 41
    • 63

    Chance Rain

Today 14 Oct Cascade County below 5000ft

Partly sunny. Near steady temperature in the upper 40s. Southwest Winds 10 to 15 Mph.

Tonight 14 Oct Cascade County below 5000ft

Mostly clear. Patchy fog after midnight. Lows in the lower 30s. West Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gollaher Reservoir Temperature Statistics

October Temperature

Great Falls, Great Falls International Airport (20.5 miles)

  • Lowest 12 October, 2026

    28.9 °F

  • Average October

    54.4 °F

  • Highest 5 October, 2026

    85.6 °F

Climate (2021–2026)

Great Falls, Great Falls International Airport (20.5 miles)

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  • Average Low 2021–2026

    34.4 °F

  • Average 2021–2026

    47 °F

  • Average High 2021–2026

    59.1 °F
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