Promise Weather Forecast

    • 64
    • 86

    Chance Thunderstorms

    • 64
    • 89

    Slight Chance Thunderstorms

    • 64
    • 91

    Mostly Sunny

    • 68
    • 92

    Mostly Sunny

    • 63
    • 96

    Chance Rain Showers

    • 58
    • 83

    Slight Chance Rain Showers

Today 17 Aug Dewey

Partly sunny. A chance of Showers with a slight chance of Thunderstorms in the Morning, then a slight chance of Thunderstorms in the afternoon. Some Thunderstorms may produce damaging Winds and large hail in the morning. Humid with Highs in the mid 80s. East Winds around 10 Mph. Chance of rain 50 percent.

Tonight 17 Aug Dewey

Showers with Thunderstorms likely. Some Thunderstorms may be severe with damaging Winds and large hail. Locally heavy rainfall possible. Lows in the mid 60s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

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Promise Temperature Statistics

August Temperature

Mobridge, Mobridge Municipal Airport (17.4 miles)

  • Lowest 9 August, 2025

    50.6 °F
  • Average August

    72.4 °F
  • Highest 14 August, 2025

    93.9 °F

Climate (2020–Present)

Mobridge, Mobridge Municipal Airport (17.4 miles)

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  • Average Low 2020–2025

    35.9 °F
  • Average 2020–2025

    47.8 °F
  • Average High 2020–2025

    60 °F
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