Gregg Lake Weather Forecast

    • 36
    • 78

    Mostly Sunny

    • 39
    • 80

    Mostly Sunny

    • 42
    • 83

    Mostly Sunny

    • 32
    • 86

    Partly Sunny

    • 29
    • 56

    Mostly Cloudy

    • 31
    • 61

    Partly Sunny

Today 18 Mar Box Butte

Sunny, warmer with Highs in the upper 70s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 18 Mar Box Butte

Partly cloudy. Not as cool with Lows in the upper 30s. West Winds 5 to 10 Mph.

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  • Temperature Real-Time

Gregg Lake Temperature Statistics

March Temperature

Chadron, Chadron Municipal Airport (29.2 miles)

  • Lowest 15 March, 2026

    1.9 °F

  • Average March

    40.2 °F

  • Highest 9 March, 2026

    77 °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

    64.2 °F
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