Gregg Lake Weather Forecast

    • 62
    • 95

    Slight Chance Thunderstorms

    • 63
    • 93

    Chance Thunderstorms

    • 61
    • 92

    Slight Chance Thunderstorms

    • 56
    • 88

    Mostly Sunny

    • 58
    • 85

    Partly Sunny

    • 58
    • 88

    Slight Chance Thunderstorms

Today 5 Sep Box Butte

Mostly sunny. Hot with Highs in the lower 90s. Southwest Winds around 5 Mph, becoming southeast in the afternoon.

Tonight 5 Sep Box Butte

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 60s. South Winds 10 to 15 Mph.

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Gregg Lake Temperature Statistics

September Temperature

Chadron, Chadron Municipal Airport (29.2 miles)

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  • Average September

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Climate (2021–2026)

Chadron, Chadron Municipal Airport (29.2 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    50.2 °F

  • Average High 2021–2026

    64.4 °F
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