Sawmill Reservoir Weather Forecast

    • 12
    • 44

    Chance Snow Showers

    • 20
    • 31

    Windy

    • 18
    • 42

    Snow

    • 14
    • 28

    Chance Snow

    • 28
    • 38

    Mostly Cloudy

    • 23
    • 42

    Mostly Cloudy

    • 29
    • 40

    Partly Sunny

Today 17 Dec Northeast Bighorn Mountains

Mostly sunny with a 50 percent chance of snow Showers. Windy. Highs in the lower 40s. West Winds 25 to 40 Mph with Gusts to around 55 Mph.

Tonight 17 Dec Northeast Bighorn Mountains

Partly cloudy. A 20 percent chance of snow Showers early in the evening. Windy. Much Colder. Lows around 11. West Winds 25 to 40 Mph. Gusts up to 60 Mph in the evening decreasing to 50 Mph overnight. Wind chill Readings 10 below to zero.

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Sawmill Reservoir Temperature Statistics

December Temperature

Sheridan County Airport (18.6 miles)

  • Lowest 1 December, 2025

    1.9 °F

  • Average December

    30.7 °F

  • Highest 11 December, 2025

    61 °F

Climate (2020–Present)

Sheridan County Airport (18.6 miles)

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  • Average Low 2020–2025

    33.3 °F

  • Average 2020–2025

    47.2 °F

  • Average High 2020–2025

    61.5 °F
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