Norman Reservoir Weather Forecast

    • 62
    • 96

    Mostly Sunny

    • 66
    • 98

    Hot

    • 70
    • 100

    Hot

    • 62
    • 99

    Chance Thunderstorms

    • 57
    • 83

    Chance Thunderstorms

    • 57
    • 81

    Chance Thunderstorms

Today 18 Aug North Sioux

Sunny. A slight chance of Showers and Thunderstorms in the afternoon. Hot with Highs in the mid 90s. West Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 18 Aug North Sioux

Mostly clear. Lows in the upper 50s. East Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming south after midnight.

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Norman Reservoir Temperature Statistics

August Temperature

Chadron, Chadron Municipal Airport (22.4 miles)

  • Lowest 9 August, 2025

    50 °F

  • Average August

    75.7 °F

  • Highest 7 August, 2025

    104 °F

Climate (2020–Present)

Chadron, Chadron Municipal Airport (22.4 miles)

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  • Average Low 2020–2025

    35.2 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    63.6 °F
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