Gregg Lake Weather Forecast

    • 41
    • 60

    Decreasing Clouds

    • 46
    • 58

    Mostly Cloudy

    • 33
    • 49

    Rain Showers

    • 32
    • 51

    Mostly Sunny

    • 32
    • 54

    Partly Sunny

    • 33
    • 52

    Partly Sunny

Today 31 Oct Box Butte

Patchy fog early this morning. Mostly cloudy. Highs in the upper 50s. South Winds 10 to 15 Mph.

Tonight 31 Oct Box Butte

Mostly cloudy. Patchy fog after midnight. Lows in the lower 40s. South Winds 5 to 10 Mph.

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Gregg Lake Temperature Statistics

October Temperature

Chadron, Chadron Municipal Airport (29.2 miles)

  • Lowest 16 October, 2026

    30 °F

  • Average October

    54.7 °F

  • Highest 9 October, 2026

    91 °F

Climate (2021–2026)

Chadron, Chadron Municipal Airport (29.2 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    64.2 °F
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