Lake Oahe Weather Forecast

    • 55
    • 73

    Mostly Cloudy

    • 56
    • 68

    Chance Rain Showers

    • 55
    • 72

    Mostly Cloudy

    • 57
    • 71

    Rain Showers Likely

    • 50
    • 69

    Rain Showers Likely

    • 46
    • 60

    Slight Chance Rain Showers

Today 24 Sep Dewey

Mostly sunny. Near steady temperature in the mid 70s. North Winds 5 to 10 Mph.

Tonight 24 Sep Dewey

Mostly clear in the Evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 50s. East Winds 5 to 10 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 17 September, 2026

    46.7 °F

  • Average September

    66.1 °F

  • Highest 5 September, 2026

    95.6 °F

Climate (2021–2026)

Mobridge, Mobridge Municipal Airport (20.5 miles)

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  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    59.8 °F
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