Belle Fourche Reservoir Weather Forecast

    • 68
    • 103

    Slight Chance Rain Showers

    • 67
    • 99

    Chance Rain Showers

    • 66
    • 98

    Slight Chance Thunderstorms

    • 66
    • 98

    Chance Thunderstorms

    • 64
    • 96

    Slight Chance Thunderstorms

    • 64
    • 96

    Chance Thunderstorms

Today 26 Jul Butte

Mostly sunny. Hot with Highs around 104. Northwest Winds 10 to 20 Mph with Gusts up to 30 Mph.

Tonight 26 Jul Butte

Partly cloudy. A slight chance of Showers after midnight. Lows in the upper 60s. North Winds 10 to 15 Mph. Gusts up to 25 Mph in the evening. Chance of rain 20 percent.

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  • Temperature Real-Time

Belle Fourche Reservoir Temperature Statistics

July Temperature

Spearfish / Clyde Ice (17.4 miles)

  • Lowest 1 July, 2026

    53.6 °F

  • Average July

    79 °F

  • Highest 12 July, 2026

    105.8 °F

Climate (2021–2026)

Spearfish / Clyde Ice (17.4 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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