Gregg Lake Weather Forecast

    • 23
    • 54

    Partly Sunny

    • 28
    • 53

    Chance Rain/Snow

    • 28
    • 59

    Chance Rain/Snow

    • 27
    • 52

    Slight Chance Rain Showers

    • 31
    • 63

    Partly Sunny

    • 22
    • 55

    Mostly Cloudy

Today 28 Feb Box Butte

Sunny. Highs in the mid 50s. Northwest Winds 15 to 20 Mph, becoming north this afternoon.

Tonight 28 Feb Box Butte

Partly cloudy in the Evening, then becoming mostly cloudy. Cold with Lows in the mid 20s. East Winds around 10 Mph, becoming southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gregg Lake Temperature Statistics

February Temperature

Chadron, Chadron Municipal Airport (29.2 miles)

  • Lowest 20 February, 2026

    -11.9 °F

  • Average February

    36.3 °F

  • Highest 5 February, 2026

    68 °F

Climate (2021–Present)

Chadron, Chadron Municipal Airport (29.2 miles)

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  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    64.1 °F
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