Belle Fourche Weather Forecast

    • 56
    • 89

    Slight Chance Thunderstorms

    • 58
    • 93

    Chance Thunderstorms

    • 63
    • 99

    Breezy

    • 61
    • 102

    Breezy

    • 53
    • 85

    Breezy

    • 55
    • 82

    Slight Chance Rain Showers

Today 30 Jul Southern Campbell

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the upper 80s. Northwest Winds 10 to 15 Mph. Gusts up to 20 Mph, increasing to 30 Mph in the afternoon. Chance of rain 20 percent.

Tonight 30 Jul Southern Campbell

Mostly clear. Lows in the upper 50s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming south 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Belle Fourche Temperature Statistics

July Temperature

Gillette, Gillette-Campbell County Airport (28.6 miles)

  • Lowest 1 July, 2026

    46.7 °F

  • Average July

    78.7 °F

  • Highest 12 July, 2026

    104.6 °F

Climate (2021–2026)

Gillette, Gillette-Campbell County Airport (28.6 miles)

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  • Average Low 2021–2026

    35 °F

  • Average 2021–2026

    48.3 °F

  • Average High 2021–2026

    61.5 °F
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