Belle Fourche Weather Forecast

    • 60
    • 88

    Mostly Sunny

    • 60
    • 92

    Patchy Smoke

    • 59
    • 93

    Partly Sunny

    • 61
    • 88

    Chance Thunderstorms

    • 60
    • 92

    Slight Chance Thunderstorms

    • 58
    • 90

    Slight Chance Rain Showers

    • 58
    • 90

    Slight Chance Thunderstorms

Today 19 Aug Butte

Mostly sunny. Near steady temperature in the upper 80s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 19 Aug Butte

Mostly clear. Lows in the upper 50s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Belle Fourche Temperature Statistics

August Temperature

Spearfish / Clyde Ice (13 miles)

  • Lowest 4 August, 2026

    44.6 °F

  • Average August

    72.1 °F

  • Highest 1 August, 2026

    96.8 °F

Climate (2021–2026)

Spearfish / Clyde Ice (13 miles)

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  • Average Low 2021–2026

    36.6 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    59 °F
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