Tongue River Reservoir Weather Forecast

    • 26
    • 54

    Partly Sunny

    • 40
    • 57

    Mostly Cloudy

    • 36
    • 56

    Mostly Cloudy

    • 33
    • 58

    Mostly Sunny

    • 21
    • 47

    Partly Sunny

    • 17
    • 33

    Mostly Cloudy

Today 11 Jan Southern Big Horn

Increasing Clouds. Highs in the mid 50s. West Winds 5 to 15 Mph.

Tonight 11 Jan Southern Big Horn

Partly cloudy. Lows in the mid 30s. South Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tongue River Reservoir Temperature Statistics

January Temperature

Sheridan County Airport (24.9 miles)

  • Lowest 8 January, 2026

    16 °F

  • Average January

    35.9 °F

  • Highest 4 January, 2026

    57.9 °F

Climate (2021–Present)

Sheridan County Airport (24.9 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    47.2 °F

  • Average High 2021–2026

    61.6 °F
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