Gollaher Reservoir Weather Forecast

    • 30
    • 45

    Slight Chance Rain/Snow

    • 37
    • 58

    Rain

    • 30
    • 46

    Rain/Snow

    • 28
    • 45

    Chance Snow

    • 32
    • 52

    Partly Sunny

    • 33
    • 54

    Mostly Cloudy

Today 31 Mar Cascade County below 5000ft

Mostly sunny. Slight chance of snow early in the afternoon. Slight chance of rain and snow late in the afternoon. Highs in the lower 40s. East Winds up to 10 Mph. Chance of precipitation 20 percent.

Tonight 31 Mar Cascade County below 5000ft

Not as cold. Mostly cloudy. Lows in the upper 20s. East Winds up to 10 Mph shifting to the south after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gollaher Reservoir Temperature Statistics

March Temperature

Great Falls, Great Falls International Airport (20.5 miles)

  • Lowest 15 March, 2026

    -5.4 °F

  • Average March

    41.2 °F

  • Highest 20 March, 2026

    76.6 °F

Climate (2021–Present)

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 °F
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