Gregg Lake Weather Forecast

    • 40
    • 83

    Slight Chance Thunderstorms

    • 28
    • 62

    Snow Showers Likely

    • 27
    • 53

    Snow Showers Likely

    • 31
    • 60

    Rain/Snow

    • 25
    • 48

    Rain Showers

    • 27
    • 51

    Chance Rain/Snow

    • 33
    • 61

    Chance Rain Showers

Today 22 Apr Box Butte

Mostly sunny with a 20 percent chance of Showers. Breezy. Near steady temperature in the lower 80s. Southwest Winds 15 to 25 Mph with Gusts up to 35 Mph.

Tonight 22 Apr Box Butte

Mostly cloudy. A slight chance of Showers in the evening. Very windy with Lows in the lower 40s. West Winds 20 to 25 Mph, increasing to 25 to 35 Mph after midnight. Gusts up to 50 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gregg Lake Temperature Statistics

April Temperature

Chadron, Chadron Municipal Airport (29.2 miles)

  • Lowest 18 April, 2026

    21.9 °F

  • Average April

    48.4 °F

  • Highest 11 April, 2026

    84.9 °F

Climate (2021–Present)

Chadron, Chadron Municipal Airport (29.2 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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