Grand River National Grassland Weather Forecast

    • 44
    • 71

    Thunderstorms Likely

    • 47
    • 69

    Mostly Sunny

    • 47
    • 76

    Partly Sunny

    • 52
    • 73

    Mostly Cloudy

    • 49
    • 74

    Chance Rain Showers

    • 47
    • 72

    Chance Rain Showers

Today 14 Sep Northern Perkins

Mostly cloudy with Showers and Thunderstorms likely in the Morning, then sunny in the afternoon. Windy with Highs in the lower 70s. Southwest Winds 20 to 30 Mph, increasing to west 30 to 40 Mph in the afternoon. Gusts up to 50 Mph. Chance of rain 70 percent.

Tonight 14 Sep Northern Perkins

Showers and Thunderstorms likely. Breezy with Lows in the lower 50s. Southeast Winds 20 to 30 Mph with Gusts up to 45 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand River National Grassland Temperature Statistics

September Temperature

Hettinger, Hettinger Municipal Airport (22.4 miles)

  • Lowest 10 September, 2026

    37.7 °F

  • Average September

    67.5 °F

  • Highest 4 September, 2026

    92.6 °F

Climate (2021–2026)

Hettinger, Hettinger Municipal Airport (22.4 miles)

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  • Average Low 2021–2026

    31.2 °F

  • Average 2021–2026

    45 °F

  • Average High 2021–2026

    58.7 °F
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