Edgemont Municipal Airport Weather Forecast

    • 46
    • 70

    Chance Rain Showers

    • 49
    • 75

    Partly Sunny

    • 51
    • 80

    Mostly Sunny

    • 52
    • 85

    Partly Sunny

    • 45
    • 71

    Partly Sunny

    • 46
    • 75

    Mostly Sunny

Today 18 Sep Western Fall River

Becoming partly cloudy. Areas of fog this morning. Highs in the upper 60s. West Winds 5 to 10 Mph, becoming northeast with Gusts up to 20 Mph this afternoon.

Tonight 18 Sep Western Fall River

Partly cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Patchy fog after midnight. Lows in the mid 40s. East Winds 10 to 15 Mph. Chance of rain 30 percent.

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Edgemont Municipal Airport Temperature Statistics

September Temperature

Custer, Custer County Airport (32.3 miles)

  • Lowest 6 September, 2025

    32 °F

  • Average September

    60.1 °F

  • Highest 11 September, 2025

    82.9 °F

Climate (2020–Present)

Custer, Custer County Airport (32.3 miles)

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  • Average Low 2020–2025

    33.1 °F

  • Average 2020–2025

    44.7 °F

  • Average High 2020–2025

    56.2 °F
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