Crystal Lake Reservoir Weather Forecast

    • 52
    • 80

    Rain Showers Likely

    • 35
    • 65

    Rain/Snow

    • 30
    • 40

    Rain/Snow

    • 35
    • 55

    Partly Sunny

    • 43
    • 65

    Slight Chance Thunderstorms

    • 48
    • 71

    Partly Sunny

Today 16 May North Sioux

Mostly sunny. A chance of Showers in the afternoon. Highs in the upper 70s. East Winds 5 to 10 Mph, increasing to southeast 15 to 20 Mph with Gusts up to 30 Mph in the afternoon. Chance of rain 50 percent.

Tonight 16 May North Sioux

Mostly cloudy. Lows in the mid 40s. Northeast Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Reservoir Temperature Statistics

May Temperature

Chadron, Chadron Municipal Airport (36.7 miles)

  • Lowest 6 May, 2026

    23 °F

  • Average May

    56.2 °F

  • Highest 11 May, 2026

    93 °F

Climate (2021–Present)

Chadron, Chadron Municipal Airport (36.7 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    64.4 °F
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