Smiley Slough Weather Forecast

    • 44
    • 73

    Chance Rain

    • 45
    • 78

    Rain Likely

    • 45
    • 77

    Rain

    • 42
    • 69

    Rain

    • 41
    • 76

    Partly Sunny

    • 45
    • 83

    Partly Sunny

    • 47
    • 85

    Partly Sunny

Today 4 Sep Lower Clark Fork Region

Mostly cloudy. A 50 percent chance of Areas of rain in the morning. Areas of fog in the morning. Highs in the 60s.

Tonight 4 Sep Lower Clark Fork Region

Mostly cloudy with a 50 percent chance of Areas of rain. Areas of fog after midnight. Patchy fog late in the night. Lows in the 40s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Smiley Slough Temperature Statistics

September Temperature

Mullan Pass, Mullan Pass Vor (37.3 miles)

  • Lowest 2 September, 2026

    42.1 °F

  • Average September

    53.3 °F

  • Highest 1 September, 2026

    71.1 °F

Climate (2021–2026)

Mullan Pass, Mullan Pass Vor (37.3 miles)

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

  • Average Low 2021–2026

    33.8 °F

  • Average 2021–2026

    39.8 °F

  • Average High 2021–2026

    46.1 °F
Get WillyWeather+ to remove ads