North Big Horn County Airport Weather Forecast

    • 49
    • 72

    Rain Showers Likely

    • 50
    • 71

    Rain Showers Likely

    • 48
    • 73

    Mostly Sunny

    • 49
    • 77

    Mostly Sunny

    • 50
    • 77

    Partly Sunny

    • 50
    • 78

    Slight Chance Thunderstorms

Today 15 Sep North Bighorn Basin

Partly cloudy with Showers likely. A slight chance of Thunderstorms in the Morning, then a chance of Thunderstorms in the afternoon. Highs in the lower 70s. Southwest Winds around 10 Mph, becoming southeast in the afternoon. Chance of rain 60 percent.

Tonight 15 Sep North Bighorn Basin

A slight chance of Thunderstorms in the evening. Partly cloudy with a chance of Showers. Lows around 50. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

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North Big Horn County Airport Temperature Statistics

September Temperature

Cowley WY (0 miles)

  • Lowest 6 September, 2025

    39.2 °F

  • Average September

    66.8 °F

  • Highest 2 September, 2025

    91.4 °F

Climate (2020–Present)

Cowley WY (0 miles)

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  • Average Low 2020–2025

    34.1 °F

  • Average 2020–2025

    46.8 °F

  • Average High 2020–2025

    59.4 °F
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