Thompson Falls Weather Forecast

    • 22
    • 38

    Increasing Clouds

    • 18
    • 38

    Patchy Fog

    • 21
    • 35

    Mostly Cloudy

    • 21
    • 39

    Mostly Cloudy

    • 16
    • 34

    Chance Snow

    • 17
    • 29

    Chance Snow

Today 19 Jan Lower Clark Fork Region

Mostly sunny. Patchy fog in the morning. Highs in the 30s.

Tonight 19 Jan Lower Clark Fork Region

Partly cloudy in the evening then becoming mostly cloudy. Lows in the 20s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thompson Falls Temperature Statistics

January Temperature

Mullan Pass, Mullan Pass Vor (18 miles)

  • Lowest 8 January, 2026

    17.1 °F

  • Average January

    28.1 °F

  • Highest 14 January, 2026

    45 °F

Climate (2021–Present)

Mullan Pass, Mullan Pass Vor (18 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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