Costich Lake Weather Forecast

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    Rain

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    • 43

    Rain

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    Rain/Snow

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    Chance Rain/Snow

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    Chance Rain

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    Rain

Today 10 Dec Kootenai/Cabinet Region

Rain likely. Snow likely early in the morning. Chance of precipitation near 100 percent. No snow accumulation. Highs in the mid 40s to lower 50s. Southeast Winds to 15 Mph with Gusts to around 30 Mph.

Tonight 10 Dec Kootenai/Cabinet Region

Rain likely. Chance of rain near 100 percent. Lows in the upper 30s to mid 40s. Southwest Winds to 15 Mph with Gusts to around 40 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Costich Lake Temperature Statistics

December Temperature

Kalispell, Glacier Park International Airport (52.8 miles)

  • Lowest 1 December, 2025

    19.4 °F

  • Average December

    30.5 °F

  • Highest 6 December, 2025

    37.4 °F

Climate (2020–Present)

Kalispell, Glacier Park International Airport (52.8 miles)

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  • Average Low 2020–2025

    33.3 °F

  • Average 2020–2025

    45.3 °F

  • Average High 2020–2025

    57 °F
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