Gregg Lake Weather Forecast

    • 19
    • 46

    Increasing Clouds

    • 16
    • 41

    Mostly Cloudy

    • 10
    • 31

    Chance Snow

    • 21
    • 46

    Partly Sunny

    • 21
    • 49

    Partly Sunny

    • 22
    • 52

    Mostly Cloudy

Today 28 Jan Box Butte

Mostly sunny. Highs in the mid 40s. West Winds 5 to 10 Mph, becoming northwest this afternoon.

Tonight 28 Jan Box Butte

Mostly cloudy. Cold with Lows around 19. North Winds around 5 Mph, becoming northwest 10 to 15 Mph after midnight.

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Gregg Lake Temperature Statistics

January Temperature

Chadron, Chadron Municipal Airport (29.2 miles)

  • Lowest 24 January, 2026

    -20 °F

  • Average January

    29.5 °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

    35.6 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    63.8 °F
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