Gretna Weather Forecast

    • 58
    • 82

    Thunderstorms Likely

    • 57
    • 77

    Chance Rain Showers

    • 58
    • 76

    Chance Thunderstorms

    • 54
    • 75

    Mostly Cloudy

    • 55
    • 75

    Slight Chance Thunderstorms

    • 58
    • 80

    Chance Rain Showers

Today 12 Aug Edmunds

Patchy dense fog this morning. Partly sunny with a 40 percent chance of Thunderstorms. Highs in the lower 80s. East Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming southeast this afternoon.

Tonight 12 Aug Edmunds

Cloudy. Thunderstorms Likely, mainly in the evening. Humid with Lows in the upper 50s. Northeast Winds around 10 Mph. Chance of rain 70 percent.

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Gretna Temperature Statistics

August Temperature

Mobridge, Mobridge Municipal Airport (44.1 miles)

  • Lowest 4 August, 2026

    51.7 °F

  • Average August

    72 °F

  • Highest 2 August, 2026

    96.7 °F

Climate (2021–2026)

Mobridge, Mobridge Municipal Airport (44.1 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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