Big Arm State Park Weather Forecast

    • 36
    • 45

    Snow

    • 35
    • 41

    Snow

    • 21
    • 40

    Snow

    • 32
    • 38

    Snow Likely

    • 42
    • 47

    Rain Likely

    • 42
    • 57

    Slight Chance Rain

Today 12 Mar Flathead/Mission Valleys

Very windy with west Winds 25 to 35 Mph. Areas of snow until late afternoon. Rain likely early in the morning. Snow likely late in the afternoon. Chance of precipitation 70 percent. No snow accumulation. Highs in the 40s.

Tonight 12 Mar Flathead/Mission Valleys

Snow likely. Chance of snow 70 percent. Little or no new snow accumulation. Lows in the upper 20s to mid 30s. Southwest Winds 15 to 20 Mph with Gusts to around 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Arm State Park Temperature Statistics

March Temperature

Kalispell, Glacier Park International Airport (33.6 miles)

  • Lowest 1 March, 2026

    18.6 °F

  • Average March

    39.3 °F

  • Highest 3 March, 2026

    56.6 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (33.6 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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