Lewis & Clark National Forest Weather Forecast

    • 44
    • 73

    Increasing Clouds

    • 41
    • 60

    Chance Thunderstorms

    • 44
    • 64

    Mostly Sunny

    • 50
    • 70

    Partly Sunny

    • 46
    • 69

    Chance Thunderstorms

    • 42
    • 62

    Chance Rain Showers

Today 16 Jun Little Belt and Highwood Mountains

Windy, sunny. Highs 70 to 78. West Winds 10 to 25 Mph with Gusts to around 50 Mph increasing to 20 to 30 Mph with Gusts to around 60 Mph in the afternoon.

Tonight 16 Jun Little Belt and Highwood Mountains

Windy, Colder. Partly cloudy with slight chance of Thunderstorms in the Evening, then mostly cloudy with chance of rain Showers after midnight. Lows 42 to 48. West Winds 20 to 30 Mph with Gusts to around 60 Mph becoming northwest 10 to 15 Mph with Gusts to around 45 Mph after midnight. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lewis & Clark National Forest Temperature Statistics

June Temperature

Malmstrom Air Force Base (35.4 miles)

  • Lowest 14 June, 2026

    39.4 °F

  • Average June

    57.5 °F

  • Highest 5 June, 2026

    80.7 °F

Climate (2021–Present)

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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