Lewis & Clark National Forest Weather Forecast

    • 33
    • 48

    Partly Sunny

    • 37
    • 48

    Chance Rain

    • 31
    • 46

    Rain

    • 29
    • 40

    Partly Sunny

    • 31
    • 47

    Partly Sunny

    • 29
    • 46

    Partly Sunny

Today 30 Oct Little Belt and Highwood Mountains

Partly sunny. Patchy dense fog late in the morning. Highs 41 to 47. Southeast Winds up to 10 Mph.

Tonight 30 Oct Little Belt and Highwood Mountains

Mostly cloudy in the evening then becoming partly cloudy. Patchy dense fog after midnight. Lows in the lower 30s. South Winds up to 5 Mph with Gusts to around 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lewis & Clark National Forest Temperature Statistics

October Temperature

Malmstrom Air Force Base (35.4 miles)

  • Lowest 26 October, 2026

    22.1 °F

  • Average October

    48.1 °F

  • Highest 5 October, 2026

    85.6 °F

Climate (2021–2026)

Malmstrom Air Force Base (35.4 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    59 °F
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