Lake Oahe Weather Forecast

    • 37
    • 62

    Clearing Late

    • 42
    • 74

    Increasing Clouds

    • 35
    • 63

    Mostly Cloudy

    • 40
    • 67

    Partly Sunny

    • 45
    • 79

    Partly Sunny

    • 42
    • 76

    Mostly Sunny

    • 48
    • 81

    Partly Sunny

Today 7 May Dewey

Mostly sunny. Highs in the mid 60s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 7 May Dewey

Mostly cloudy. Lows in the upper 30s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming southwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Oahe Temperature Statistics

May Temperature

Mobridge, Mobridge Municipal Airport (20.5 miles)

  • Lowest 1 May, 2026

    22.6 °F

  • Average May

    48.2 °F

  • Highest 2 May, 2026

    76.6 °F

Climate (2021–Present)

Mobridge, Mobridge Municipal Airport (20.5 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    59.9 °F
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