Lewis & Clark Caverns State Park Weather Forecast

    • 61
    • 91

    Severe Tstms

    • 61
    • 92

    Rain Showers Likely

    • 60
    • 94

    Chance Thunderstorms

    • 60
    • 92

    Mostly Sunny

    • 60
    • 89

    Mostly Cloudy

    • 58
    • 84

    Chance Thunderstorms

Today 16 Jul Missouri Headwaters

Sunny. A 20 percent chance of Thunderstorms in the afternoon. Some Thunderstorms may be severe with damaging Winds and large hail. Highs around 90. East Winds up to 10 Mph.

Tonight 16 Jul Missouri Headwaters

Mostly cloudy with a 40 percent chance of Thunderstorms in the Evening, then partly cloudy after midnight. Some Thunderstorms may be severe with damaging Winds and large hail. Lows around 60. Northeast Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lewis & Clark Caverns State Park Temperature Statistics

July Temperature

Butte, Bert Mooney Airport (31.7 miles)

  • Lowest 2 July, 2026

    40.6 °F

  • Average July

    65.2 °F

  • Highest 11 July, 2026

    95.6 °F

Climate (2021–2026)

Butte, Bert Mooney Airport (31.7 miles)

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  • Average Low 2021–2026

    28.4 °F

  • Average 2021–2026

    42.2 °F

  • Average High 2021–2026

    55.6 °F
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