Alcorn Reservoir Weather Forecast

    • 57
    • 83

    Rain Showers Likely

    • 54
    • 73

    Rain Showers

    • 50
    • 69

    Rain Showers

    • 51
    • 68

    Partly Sunny

    • 54
    • 76

    Chance Thunderstorms

    • 53
    • 82

    Partly Sunny

Today 18 Sep Dawes

Mostly cloudy this Morning, then becoming partly sunny. Areas of dense fog this morning. Highs in the lower 80s. Northwest Winds 5 to 10 Mph, becoming north with Gusts up to 20 Mph this afternoon.

Tonight 18 Sep Dawes

Mostly cloudy with scattered Showers with a slight chance of Thunderstorms. Patchy fog after midnight. Some Thunderstorms may produce gusty Winds and heavy rainfall. Lows in the mid 50s. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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Alcorn Reservoir Temperature Statistics

September Temperature

Chadron, Chadron Municipal Airport (15.5 miles)

  • Lowest 15 September, 2026

    55 °F

  • Average September

    66 °F

  • Highest 16 September, 2026

    86 °F

Climate (2021–2026)

Chadron, Chadron Municipal Airport (15.5 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    64.2 °F
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