Owen Bros Airport Weather Forecast

    • 46
    • 73

    Rain Showers Likely

    • 41
    • 61

    Chance Rain Showers

    • 46
    • 69

    Slight Chance Rain Showers

    • 43
    • 66

    Mostly Sunny

    • 46
    • 72

    Mostly Sunny

    • 47
    • 73

    Mostly Sunny

Today 13 Sep Western and Central Chouteau County

Mostly sunny. Highs around 70. East Winds 10 to 20 Mph with Gusts to around 35 Mph.

Tonight 13 Sep Western and Central Chouteau County

Mostly cloudy. Rain Showers likely and slight chance of Thunderstorms in the Evening, then slight chance of rain Showers after midnight. Lows in the mid 40s. West Winds 10 to 15 Mph with Gusts to around 40 Mph. Chance of precipitation 70 percent.

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  • Temperature Real-Time

Owen Bros Airport Temperature Statistics

September Temperature

Lewistown, Lewistown Municipal Airport (48.5 miles)

  • Lowest 3 September, 2026

    48.7 °F

  • Average September

    66.6 °F

  • Highest 2 September, 2026

    87.7 °F

Climate (2021–2026)

Lewistown, Lewistown Municipal Airport (48.5 miles)

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  • Average Low 2021–2026

    32.5 °F

  • Average 2021–2026

    44.8 °F

  • Average High 2021–2026

    57 °F
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