Cedar River National Grassland Weather Forecast

    • 64
    • 94

    Slight Chance Thunderstorms

    • 65
    • 90

    Partly Sunny

    • 60
    • 89

    Chance Rain Showers

    • 53
    • 81

    Breezy

    • 53
    • 78

    Partly Sunny

    • 55
    • 80

    Partly Sunny

Today 5 Sep Western Sioux

Sunny. Highs in the mid 90s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 5 Sep Western Sioux

Mostly clear. Lows in the mid 60s. Southeast Winds 10 to 15 Mph with Gusts up to 30 Mph.

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Cedar River National Grassland Temperature Statistics

September Temperature

Hettinger, Hettinger Municipal Airport (44.7 miles)

  • Lowest 1 September, 2026

    44.7 °F

  • Average September

    63.3 °F

  • Highest 2 September, 2026

    82 °F

Climate (2021–2026)

Hettinger, Hettinger Municipal Airport (44.7 miles)

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  • Average Low 2021–2026

    31.1 °F

  • Average 2021–2026

    44.9 °F

  • Average High 2021–2026

    58.6 °F
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