Owen Bros Airport Weather Forecast

    • 62
    • 96

    Mostly Sunny

    • 58
    • 92

    Chance Rain Showers

    • 54
    • 81

    Mostly Sunny

    • 54
    • 81

    Mostly Sunny

    • 55
    • 84

    Mostly Sunny

    • 57
    • 87

    Mostly Sunny

Today 19 Aug Western and Central Chouteau County

Sunny. Highs in the mid 90s. West Winds up to 5 Mph.

Tonight 19 Aug Western and Central Chouteau County

Partly cloudy with a 20 percent chance of rain Showers. Lows 60 to 65. East Winds 5 to 10 Mph shifting to the northwest after midnight.

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Owen Bros Airport Temperature Statistics

August Temperature

Lewistown, Lewistown Municipal Airport (48.5 miles)

  • Lowest 10 August, 2025

    47.6 °F

  • Average August

    66.5 °F

  • Highest 13 August, 2025

    92.6 °F

Climate (2020–Present)

Lewistown, Lewistown Municipal Airport (48.5 miles)

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  • Average Low 2020–2025

    32.2 °F

  • Average 2020–2025

    44.4 °F

  • Average High 2020–2025

    56.3 °F
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