Bair Reservoir Weather Forecast

    • 35
    • 54

    Mostly Cloudy

    • 43
    • 59

    Chance Rain

    • 27
    • 59

    Chance Rain/Snow

    • 19
    • 40

    Chance Snow Showers

    • 25
    • 47

    Mostly Sunny

    • 33
    • 55

    Partly Sunny

    • 36
    • 62

    Partly Sunny

Today 23 Mar Meagher County Valleys

Mostly sunny. Highs in the mid 50s. West Winds up to 10 Mph.

Tonight 23 Mar Meagher County Valleys

Partly cloudy early in the evening then becoming mostly cloudy. Lows in the upper 30s. East Winds up to 5 Mph. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bair Reservoir Temperature Statistics

March Temperature

Lewistown, Lewistown Municipal Airport (60.9 miles)

  • Lowest 15 March, 2026

    -9.3 °F

  • Average March

    37 °F

  • Highest 20 March, 2026

    74.6 °F

Climate (2021–Present)

Lewistown, Lewistown Municipal Airport (60.9 miles)

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  • Average Low 2021–2026

    32.6 °F

  • Average 2021–2026

    44.9 °F

  • Average High 2021–2026

    57 °F
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