Lake Oahe Weather Forecast

    • 53
    • 74

    Increasing Clouds

    • 57
    • 84

    Patchy Smoke

    • 57
    • 83

    Mostly Sunny

    • 63
    • 83

    Partly Sunny

    • 63
    • 85

    Mostly Cloudy

    • 61
    • 83

    Chance Rain Showers

    • 57
    • 78

    Chance Rain Showers

Today 7 Sep Dewey

Mostly sunny. Highs in the mid 70s. Southeast Winds around 15 Mph with Gusts up to 25 Mph.

Tonight 7 Sep Dewey

Mostly clear this Evening, then becoming partly cloudy. Not as cool with Lows in the lower 50s. Southeast Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Oahe Temperature Statistics

September Temperature

Mobridge, Mobridge Municipal Airport (20.5 miles)

  • Lowest 5 September, 2025

    39.9 °F

  • Average September

    61.4 °F

  • Highest 2 September, 2025

    82 °F

Climate (2020–Present)

Mobridge, Mobridge Municipal Airport (20.5 miles)

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  • Average Low 2020–2025

    35.9 °F

  • Average 2020–2025

    47.8 °F

  • Average High 2020–2025

    59.9 °F
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