Lost Lake Weather Forecast

    • 8
    • 27

    Decreasing Clouds

    • -6
    • 15

    Mostly Cloudy

    • -1
    • 9

    Cold

    • 7
    • 21

    Partly Sunny

    • 16
    • 29

    Partly Sunny

    • 22
    • 38

    Partly Sunny

Today 21 Jan Western and Central Chouteau County

Partly sunny. Highs in the upper 20s. Northwest Winds 5 to 15 Mph. Gusts up to 35 Mph in the morning.

Tonight 21 Jan Western and Central Chouteau County

Colder. Partly cloudy in the evening then becoming mostly cloudy. Lows around 7. Northwest Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lost Lake Temperature Statistics

January Temperature

Malmstrom Air Force Base (33.6 miles)

  • Lowest 17 January, 2026

    16.5 °F

  • Average January

    40.7 °F

  • Highest 14 January, 2026

    64.4 °F

Climate (2021–Present)

Malmstrom Air Force Base (33.6 miles)

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  • Average Low 2021–2026

    35.6 °F

  • Average 2021–2026

    47.2 °F

  • Average High 2021–2026

    58.4 °F
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