Oglala National Grassland Weather Forecast

    • 45
    • 84

    Mostly Sunny

    • 40
    • 92

    Partly Sunny

    • 35
    • 59

    Partly Sunny

    • 36
    • 71

    Mostly Cloudy

    • 46
    • 70

    Mostly Cloudy

    • 38
    • 84

    Partly Sunny

Today 20 Mar North Sioux

Mostly sunny. Highs in the lower 80s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 20 Mar North Sioux

Mostly clear. Lows in the mid 40s. West Winds 10 to 15 Mph.

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  • Temperature Real-Time

Oglala National Grassland Temperature Statistics

March Temperature

Chadron, Chadron Municipal Airport (25.5 miles)

  • Lowest 16 March, 2026

    -2 °F

  • Average March

    40.1 °F

  • Highest 18 March, 2026

    79 °F

Climate (2021–Present)

Chadron, Chadron Municipal Airport (25.5 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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