Gregg Lake Weather Forecast

    • 61
    • 94

    Increasing Clouds

    • 62
    • 87

    Chance Thunderstorms

    • 62
    • 95

    Slight Chance Thunderstorms

    • 60
    • 93

    Chance Thunderstorms

    • 58
    • 88

    Chance Thunderstorms

    • 59
    • 89

    Chance Thunderstorms

    • 59
    • 91

    Slight Chance Thunderstorms

Today 21 Aug Box Butte

Sunny, hot. Near steady temperature in the lower 90s. East Winds 10 to 15 Mph.

Tonight 21 Aug Box Butte

Mostly clear in the Evening, then becoming partly cloudy. Lows around 60. Southeast Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gregg Lake Temperature Statistics

August Temperature

Chadron, Chadron Municipal Airport (29.2 miles)

  • Lowest 4 August, 2026

    46 °F

  • Average August

    75 °F

  • Highest 2 August, 2026

    108 °F

Climate (2021–2026)

Chadron, Chadron Municipal Airport (29.2 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    50.2 °F

  • Average High 2021–2026

    64.4 °F
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