Thompson Falls Airport Weather Forecast

    • 42
    • 68

    Chance Rain

    • 45
    • 82

    Mostly Sunny

    • 46
    • 87

    Sunny

    • 47
    • 86

    Partly Sunny

    • 47
    • 84

    Partly Sunny

    • 47
    • 83

    Partly Sunny

Today 15 Sep Lower Clark Fork Region

Rain likely in the Morning, then chance of rain Showers and a slight chance of Thunderstorms in the afternoon. Chance of precipitation 70 percent. Highs in the 60s.

Tonight 15 Sep Lower Clark Fork Region

Partly cloudy. Areas of fog after midnight. Lows in the 40s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Thompson Falls Airport Temperature Statistics

September Temperature

Mullan Pass, Mullan Pass Vor (19.9 miles)

  • Lowest 11 September, 2025

    46.9 °F

  • Average September

    63.8 °F

  • Highest 2 September, 2025

    84 °F

Climate (2020–Present)

Mullan Pass, Mullan Pass Vor (19.9 miles)

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

  • Average Low 2020–2025

    33.7 °F

  • Average 2020–2025

    39.7 °F

  • Average High 2020–2025

    46.1 °F
Get WillyWeather+ to remove ads