Square Lake Weather Forecast

    • 32
    • 35

    Chance Snow

    • 30
    • 37

    Mostly Cloudy

    • 31
    • 41

    Chance Snow

    • 29
    • 33

    Chance Snow

    • 28
    • 38

    Mostly Cloudy

    • 28
    • 43

    Partly Sunny

    • 27
    • 44

    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

Square Lake Temperature Statistics

January Temperature

Mullan Pass, Mullan Pass Vor (19.3 miles)

  • Lowest 23 January, 2026

    7 °F

  • Average January

    24.7 °F

  • Highest 14 January, 2026

    45 °F

Climate (2021–Present)

Mullan Pass, Mullan Pass Vor (19.3 miles)

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  • Average Low 2021–2026

    33.8 °F

  • Average 2021–2026

    39.8 °F

  • Average High 2021–2026

    46.2 °F
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