Big Salmon Lake Weather Forecast

    • 53
    • 79

    Chance Thunderstorms

    • 47
    • 74

    Rain Likely

    • 40
    • 56

    Rain

    • 39
    • 51

    Chance Rain

    • 40
    • 58

    Chance Rain

    • 42
    • 63

    Partly Sunny

Today 28 May West Glacier Region

Mostly sunny in the Morning, then mostly cloudy with a 50 percent chance of Showers and Thunderstorms in the afternoon. Highs in the 80s.

Tonight 28 May West Glacier Region

Mostly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then partly cloudy with a slight chance of rain after midnight. Chance of precipitation 20 percent. Lows in the 50s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Salmon Lake Temperature Statistics

May Temperature

Missoula, Missoula International Airport (57.2 miles)

  • Lowest 18 May, 2026

    26.7 °F

  • Average May

    54 °F

  • Highest 25 May, 2026

    84 °F

Climate (2021–Present)

Missoula, Missoula International Airport (57.2 miles)

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

  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    59.9 °F
Get WillyWeather+ to remove ads