Big Salmon Lake Weather Forecast

    • 51
    • 65

    Rain Showers

    • 49
    • 66

    Rain Showers Likely

    • 52
    • 72

    Mostly Sunny

    • 54
    • 79

    Sunny

    • 55
    • 80

    Mostly Sunny

    • 56
    • 81

    Partly Sunny

    • 56
    • 81

    Partly Sunny

Today 21 Jul West Glacier Region

Rain Showers likely in the Morning, then rain Showers likely and a slight chance of Thunderstorms in the afternoon. Chance of precipitation 90 percent. Highs in the mid 50s to lower 60s.

Tonight 21 Jul West Glacier Region

Rain Showers likely through the night. Chance of Thunderstorms in the Evening, then slight chance of Thunderstorms after midnight. Patchy fog in the late evening and overnight. Chance of precipitation 90 percent. Some Thunderstorms may produce heavy rainfall. Lows in the mid 40s to lower 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Salmon Lake Temperature Statistics

July Temperature

Missoula, Missoula International Airport (57.2 miles)

  • Lowest 6 July, 2025

    46.7 °F

  • Average July

    71.5 °F

  • Highest 8 July, 2025

    98.7 °F

Climate (2020–Present)

Missoula, Missoula International Airport (57.2 miles)

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  • Average Low 2020–2025

    35.5 °F

  • Average 2020–2025

    47 °F

  • Average High 2020–2025

    59.2 °F
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