Half Moon Slough Weather Forecast

    • 20
    • 33

    Areas Freezing Fog

    • 17
    • 34

    Areas Freezing Fog

    • 19
    • 33

    Mostly Cloudy

    • 18
    • 34

    Mostly Cloudy

    • 19
    • 32

    Mostly Cloudy

    • 15
    • 32

    Chance Snow

    • 5
    • 25

    Chance Snow

Today 17 Jan Flathead/Mission Valleys

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

Tonight 17 Jan Flathead/Mission Valleys

Mostly clear. Patchy freezing fog after midnight. Lows 17 to 24.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Half Moon Slough Temperature Statistics

January Temperature

Kalispell, Glacier Park International Airport (9.3 miles)

  • Lowest 10 January, 2026

    19 °F

  • Average January

    30.4 °F

  • Highest 12 January, 2026

    45 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (9.3 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    57 °F
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