Alcorn Reservoir Weather Forecast

    • 33
    • 68

    Increasing Clouds

    • 42
    • 64

    Mostly Cloudy

    • 46
    • 67

    Partly Sunny

    • 38
    • 66

    Partly Sunny

    • 32
    • 61

    Partly Sunny

    • 23
    • 49

    Partly Sunny

Today 22 Dec Dawes

Mostly sunny and Breezy, warmer with Highs in the upper 60s. Temperature falling into the upper 50s this afternoon. West Winds 15 to 25 Mph with Gusts up to 35 Mph.

Tonight 22 Dec Dawes

Partly cloudy. Lows in the lower 30s. Northwest Winds 10 to 15 Mph, becoming southeast 5 to 10 Mph after midnight.

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Alcorn Reservoir Temperature Statistics

December Temperature

Chadron, Chadron Municipal Airport (15.5 miles)

  • Lowest 1 December, 2025

    0 °F

  • Average December

    33.1 °F

  • Highest 11 December, 2025

    66.9 °F

Climate (2020–Present)

Chadron, Chadron Municipal Airport (15.5 miles)

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  • Average Low 2020–2025

    35.6 °F

  • Average 2020–2025

    49.6 °F

  • Average High 2020–2025

    63.6 °F
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