Lewis & Clark Caverns State Park Weather Forecast

    • 28
    • 48

    Mostly Sunny

    • 33
    • 61

    Partly Sunny

    • 34
    • 65

    Partly Sunny

    • 36
    • 61

    Mostly Sunny

    • 39
    • 64

    Partly Sunny

    • 38
    • 60

    Chance Rain

Today 15 Oct Missouri Headwaters

Sunny. Highs in the mid 40s. Southeast Winds up to 5 Mph.

Tonight 15 Oct Missouri Headwaters

Mostly clear. Patchy fog after midnight. Lows in the upper 20s. Southeast Winds up to 5 Mph shifting to the southwest after midnight.

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Lewis & Clark Caverns State Park Temperature Statistics

October Temperature

Butte, Bert Mooney Airport (31.7 miles)

  • Lowest 12 October, 2026

    26.1 °F

  • Average October

    47.7 °F

  • Highest 5 October, 2026

    80.7 °F

Climate (2021–2026)

Butte, Bert Mooney Airport (31.7 miles)

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  • Average Low 2021–2026

    28.5 °F

  • Average 2021–2026

    42.3 °F

  • Average High 2021–2026

    55.8 °F
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