Dome Lake Reservoir Weather Forecast

    • 19
    • 29

    Windy

    • 13
    • 39

    Snow

    • 13
    • 23

    Chance Snow

    • 28
    • 36

    Mostly Cloudy

    • 23
    • 39

    Mostly Cloudy

    • 28
    • 38

    Partly Sunny

Today 18 Dec Northeast Bighorn Mountains

Partly sunny. Colder. Highs in the upper 20s. Southwest Winds 15 to 25 Mph. Wind chill Readings 5 below to 15 below zero in the morning.

Tonight 18 Dec Northeast Bighorn Mountains

Mostly cloudy. Windy. Lows around 19. Temperatures rising into the lower 30s after midnight. Southwest Winds 15 to 30 Mph. Gusts up to 45 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dome Lake Reservoir Temperature Statistics

December Temperature

Sheridan County Airport (19.9 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 (19.9 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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