Gregg Lake Weather Forecast

    • 21
    • 54

    Breezy

    • 17
    • 38

    Chance Snow Showers

    • 15
    • 34

    Partly Sunny

    • 18
    • 37

    Partly Sunny

    • 22
    • 49

    Mostly Sunny

    • 24
    • 49

    Partly Sunny

Today 7 Jan Box Butte

Sunny, windy with Highs in the mid 50s. West Winds 20 to 30 Mph with Gusts up to 45 Mph.

Tonight 7 Jan Box Butte

Mostly cloudy. Colder with Lows in the lower 20s. West Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming north 5 to 10 Mph after midnight.

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Gregg Lake Temperature Statistics

January Temperature

Chadron, Chadron Municipal Airport (29.2 miles)

  • Lowest 1 January, 2026

    23 °F

  • Average January

    41.2 °F

  • Highest 4 January, 2026

    64 °F

Climate (2021–Present)

Chadron, Chadron Municipal Airport (29.2 miles)

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  • Average Low 2021–2026

    35.7 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    63.7 °F
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