Bair Reservoir Weather Forecast

    • 36
    • 64

    Chance Thunderstorms

    • 42
    • 67

    Partly Sunny

    • 43
    • 67

    Chance Thunderstorms

    • 46
    • 71

    Rain Showers Likely

    • 46
    • 75

    Rain Showers Likely

    • 39
    • 62

    Rain Showers

Today 22 Jun Meagher County Valleys

Mostly sunny. Patchy fog early in the morning. Slight chance of rain Showers early in the Morning, then slight chance of Thunderstorms late in the morning. Chance of Thunderstorms in the afternoon. Highs in the lower 60s. Northwest Winds up to 15 Mph. Gusts up to 30 Mph in the afternoon. Chance of precipitation 50 percent.

Tonight 22 Jun Meagher County Valleys

Mostly clear. A 20 percent chance of Thunderstorms in the evening. Lows in the upper 30s. North Winds 5 to 15 Mph with Gusts to around 30 Mph shifting to the northwest up to 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bair Reservoir Temperature Statistics

June Temperature

Lewistown, Lewistown Municipal Airport (60.9 miles)

  • Lowest 14 June, 2026

    36.6 °F

  • Average June

    53.5 °F

  • Highest 5 June, 2026

    78.7 °F

Climate (2021–2026)

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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