Sonyok Mountain Weather Forecast

    • 48
    • 58

    Chance Rain

    • 51
    • 62

    Rain Likely

    • 50
    • 62

    Rain Showers

    • 47
    • 54

    Rain Showers

    • 47
    • 60

    Partly Sunny

    • 50
    • 65

    Partly Sunny

    • 53
    • 69

    Chance Rain

Today 4 Sep Flathead/Mission Valleys

Mostly cloudy. Areas of rain early in the morning. Slight chance of rain early in the afternoon. Patchy fog early in the morning. Chance of rain 50 percent. Highs in the 60s.

Tonight 4 Sep Flathead/Mission Valleys

Partly cloudy early in the Evening, then mostly cloudy with a slight chance of rain late in the evening. Mostly cloudy after Midnight, then cloudy with a slight chance of rain late in the night. Patchy fog late in the night. Chance of rain 20 percent. Lows in the 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sonyok Mountain Temperature Statistics

September Temperature

Missoula, Missoula International Airport (34.2 miles)

  • Lowest 1 September, 2026

    45.6 °F

  • Average September

    61.9 °F

  • Highest 1 September, 2026

    88.6 °F

Climate (2021–2026)

Missoula, Missoula International Airport (34.2 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59.8 °F
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