Chief Plenty Coups State Park Weather Forecast

    • 50
    • 73

    Chance Rain Showers

    • 54
    • 79

    Mostly Sunny

    • 57
    • 82

    Partly Sunny

    • 57
    • 85

    Partly Sunny

    • 54
    • 84

    Partly Sunny

    • 56
    • 83

    Partly Sunny

Today 30 Aug Southern Big Horn

Showers likely through the day. Scattered Thunderstorms in the afternoon. Highs in the upper 70s. Northwest Winds 10 to 20 Mph. Chance of precipitation 70 percent.

Tonight 30 Aug Southern Big Horn

Clear. Lows in the upper 40s. Southeast Winds 5 to 15 Mph.

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Chief Plenty Coups State Park Temperature Statistics

August Temperature

Billings, Billings Logan International Airport (26.1 miles)

  • Lowest 4 August, 2026

    48.7 °F

  • Average August

    74.1 °F

  • Highest 1 August, 2026

    104.6 °F

Climate (2021–2026)

Billings, Billings Logan International Airport (26.1 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    61.2 °F
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