Costich Lake Weather Forecast

    • 14
    • 36

    Snow

    • 25
    • 39

    Snow Likely

    • 38
    • 46

    Snow Likely

    • 41
    • 55

    Chance Rain

    • 42
    • 54

    Rain Likely

    • 41
    • 57

    Chance Rain

Today 14 Mar Kootenai/Cabinet Region

Snow likely until late Afternoon, then Areas of snow late in the afternoon. Patchy fog early in the morning. Chance of snow near 100 percent. Snow Accumulations of 1 to 2 Inches. Highs in the mid 30s to lower 40s.

Tonight 14 Mar Kootenai/Cabinet Region

Mostly cloudy in the evening then becoming partly cloudy. A 50 percent chance of snow. Lows 10 to 17.

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  • Temperature Real-Time

Costich Lake Temperature Statistics

March Temperature

Kalispell, Glacier Park International Airport (52.8 miles)

  • Lowest 1 March, 2026

    18.6 °F

  • Average March

    37.6 °F

  • Highest 3 March, 2026

    56.6 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (52.8 miles)

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  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    57.2 °F
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