Council Grove State Park Weather Forecast

    • 47
    • 83

    Increasing Clouds

    • 46
    • 85

    Partly Sunny

    • 48
    • 85

    Mostly Sunny

    • 40
    • 72

    Partly Sunny

    • 35
    • 73

    Mostly Sunny

    • 45
    • 82

    Mostly Sunny

    • 47
    • 84

    Partly Sunny

Today 18 Sep Missoula/Bitterroot Valleys

Mostly sunny. Highs in the lower 80s.

Tonight 18 Sep Missoula/Bitterroot Valleys

Mostly clear until early morning then becoming mostly cloudy. Lows near 50.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Council Grove State Park Temperature Statistics

September Temperature

Missoula, Missoula International Airport (3.1 miles)

  • Lowest 13 September, 2025

    46.9 °F

  • Average September

    65.7 °F

  • Highest 2 September, 2025

    96.1 °F

Climate (2020–Present)

Missoula, Missoula International Airport (3.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    35.6 °F

  • Average 2020–2025

    47.1 °F

  • Average High 2020–2025

    59.2 °F
Get WillyWeather+ to remove ads