Belle Fourche National Wildlife Refuge Weather Forecast

    • 57
    • 89

    Increasing Clouds

    • 49
    • 80

    Partly Sunny

    • 50
    • 70

    Mostly Cloudy

    • 48
    • 72

    Chance Rain Showers

    • 41
    • 68

    Breezy

    • 46
    • 69

    Breezy

Today 10 Sep Butte

Sunny. Highs around 90. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 10 Sep Butte

Clear. Lows in the upper 40s. West Winds 5 to 10 Mph.

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  • Temperature Real-Time

Belle Fourche National Wildlife Refuge Temperature Statistics

September Temperature

Spearfish / Clyde Ice (16.8 miles)

  • Lowest 1 September, 2026

    53.6 °F

  • Average September

    77.3 °F

  • Highest 4 September, 2026

    96.8 °F

Climate (2021–2026)

Spearfish / Clyde Ice (16.8 miles)

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  • Average Low 2021–2026

    36.7 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    59.1 °F
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