Siamese Lakes Weather Forecast

    • 30
    • 35

    Chance Snow

    • 30
    • 36

    Slight Chance Rain/Snow

    • 29
    • 39

    Snow Likely

    • 27
    • 33

    Snow Likely

    • 27
    • 36

    Slight Chance Snow

    • 28
    • 42

    Partly Sunny

    • 26
    • 43

    Mostly Sunny

Today 30 Jan Lower Clark Fork Region

Cloudy. Areas of rain through the day. Areas of snow until late afternoon. Slight chance of light freezing rain early in the morning. Patchy fog in the morning. Chance of precipitation 50 percent. Highs in the upper 30s to mid 40s. South Winds 15 to 20 Mph.

Tonight 30 Jan Lower Clark Fork Region

Mostly cloudy. Areas of rain late in the evening. Slight chance of rain and snow after midnight. Chance of precipitation 40 percent. Lows in the 30s to lower 40s. Windy with southwest Winds 20 to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Siamese Lakes Temperature Statistics

January Temperature

Missoula, Missoula International Airport (38.5 miles)

  • Lowest 24 January, 2026

    6.7 °F

  • Average January

    28.9 °F

  • Highest 13 January, 2026

    55.7 °F

Climate (2021–Present)

Missoula, Missoula International Airport (38.5 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    47.4 °F

  • Average High 2021–2026

    59.5 °F
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