Gregg Lake Weather Forecast

    • 39
    • 86

    Slight Chance Rain Showers

    • 24
    • 56

    Partly Sunny

    • 31
    • 53

    Partly Sunny

    • 42
    • 72

    Partly Sunny

    • 42
    • 82

    Mostly Cloudy

    • 43
    • 80

    Mostly Cloudy

Today 25 Mar Box Butte

Sunny, warmer with Highs in the upper 80s. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 25 Mar Box Butte

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Evening, then a slight chance of Showers after midnight. Lows in the lower 40s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gregg Lake Temperature Statistics

March Temperature

Chadron, Chadron Municipal Airport (29.2 miles)

  • Lowest 16 March, 2026

    -2 °F

  • Average March

    43.6 °F

  • Highest 21 March, 2026

    91 °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

    50 °F

  • Average High 2021–2026

    64.3 °F
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