Choteau Weather Forecast

    • 50
    • 69

    Rain Likely

    • 46
    • 73

    Slight Chance Rain

    • 46
    • 79

    Sunny

    • 46
    • 79

    Mostly Sunny

    • 46
    • 73

    Partly Sunny

    • 48
    • 78

    Partly Sunny

Today 15 Sep Southern High Plains

Cooler. Mostly cloudy. Slight chance of rain Showers in the Morning, then chance of rain Showers in the afternoon. Highs 65 to 70. West Winds 5 to 15 Mph. Chance of Showers 50 percent.

Tonight 15 Sep Southern High Plains

Mostly cloudy. Rain Showers likely and slight chance of Thunderstorms in the Evening, then chance of rain Showers after midnight. Lows around 50. Northwest Winds up to 10 Mph. Chance of precipitation 70 percent.

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  • Temperature Real-Time

Choteau Temperature Statistics

September Temperature

Great Falls, Great Falls International Airport (43.5 miles)

  • Lowest 5 September, 2025

    39.9 °F

  • Average September

    65.6 °F

  • Highest 1 September, 2025

    90 °F

Climate (2020–Present)

Great Falls, Great Falls International Airport (43.5 miles)

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  • Average Low 2020–2025

    34 °F

  • Average 2020–2025

    46.4 °F

  • Average High 2020–2025

    58.3 °F
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