Lower Willow Creek Reservoir Weather Forecast

    • 39
    • 61

    Clearing Late

    • 35
    • 65

    Mostly Sunny

    • 41
    • 67

    Partly Sunny

    • 38
    • 65

    Mostly Sunny

    • 40
    • 68

    Partly Sunny

    • 38
    • 65

    Partly Sunny

Today 27 Sep Butte/Blackfoot Region

Mostly cloudy. Highs in the upper 50s to mid 60s.

Tonight 27 Sep Butte/Blackfoot Region

Mostly cloudy with a 30 percent chance of rain. Lows in the mid 30s to lower 40s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lower Willow Creek Reservoir Temperature Statistics

September Temperature

Missoula, Missoula International Airport (44.1 miles)

  • Lowest 9 September, 2026

    38.6 °F

  • Average September

    59 °F

  • Highest 1 September, 2026

    88.6 °F

Climate (2021–2026)

Missoula, Missoula International Airport (44.1 miles)

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

  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59.7 °F
Get WillyWeather+ to remove ads