Gregg Lake Weather Forecast

    • 30
    • 51

    Decreasing Clouds

    • 17
    • 51

    Breezy

    • 14
    • 30

    Windy

    • 17
    • 36

    Breezy

    • 16
    • 46

    Breezy

    • 18
    • 42

    Breezy

Today 14 Jan Box Butte

Partly cloudy. Highs around 50. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 14 Jan Box Butte

Mostly clear. Cold with Lows around 30. West Winds 10 to 15 Mph.

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Gregg Lake Temperature Statistics

January Temperature

Chadron, Chadron Municipal Airport (29.2 miles)

  • Lowest 9 January, 2026

    17.1 °F

  • Average January

    39.5 °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

    49.7 °F

  • Average High 2021–2026

    63.8 °F
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