Big Arm Weather Forecast

    • 31
    • 40

    Rain/Snow Likely

    • 34
    • 39

    Snow

    • 28
    • 38

    Snow Likely

    • 28
    • 36

    Snow

    • 29
    • 38

    Chance Snow

    • 29
    • 40

    Mostly Cloudy

Today 5 Jan Flathead/Mission Valleys

Snow, rain and light freezing rain likely early in the Morning, then Areas of snow in the late morning and afternoon. Areas of rain in the afternoon. Areas of fog early in the morning. Patchy fog late in the morning. Chance of precipitation 70 percent. Snow level 3000 feet. Little or no new snow accumulation. Highs in the mid 30s to lower 40s. Southwest Winds to 15 Mph.

Tonight 5 Jan Flathead/Mission Valleys

Partly cloudy in the evening then becoming mostly cloudy. Lows in the 20s to lower 30s.

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  • Temperature Real-Time

Big Arm Temperature Statistics

January Temperature

Kalispell, Glacier Park International Airport (34.8 miles)

  • Lowest 1 January, 2026

    19.9 °F
  • Average January

    26.4 °F
  • Highest 3 January, 2026

    34 °F

Climate (2021–Present)

Kalispell, Glacier Park International Airport (34.8 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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