10-Day Weather Forecast - Gann Valley, SD

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  • 86|66°F
    Rain

    Today

    86°F

    Mostly sunny with likely rain. Chance of precipitation 90%. High temperature around 86F. Dew point will be around 64F with an average humidity of 64%. Winds will be 4 mph from the S.

    Tonight

    66°F

    Mostly clear. Lows in the lower 60s. Southeast winds 5 to 10 mph.

    Hourly details
  • 88|66°F
    Partly Sunny

    Day

    88°F

    Partly sunny. A slight chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. Southeast winds 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Chance of rain 20 percent.

    Night

    66°F

    Showers likely in the evening. Mostly cloudy with a chance of thunderstorms. Humid with lows in the lower 60s. East winds 10 to 15 mph. Chance of rain 70 percent.

    Hourly details
  • 83|65°F
    Partly Sunny

    Day

    83°F

    Partly sunny. A slight chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. East winds 5 to 10 mph. Chance of rain 20 percent.

    Night

    65°F

    Showers likely with a chance of thunderstorms in the evening then partly cloudy after midnight. Humid with lows in the lower 60s. Northeast winds 5 to 10 mph. Chance of rain 70 percent.

    Hourly details
  • 84|65°F
    Partly Sunny

    Day

    84°F

    Partly sunny. Highs in the upper 80s.

    Night

    65°F

    Partly cloudy. A chance of thunderstorms mainly in the evening. Lows in the lower 60s. Chance of rain 30 percent.

    Hourly details
  • 88|68°F
    Sunny

    Day

    88°F

    Mostly clear. Hot. Highs around 90. Lows in the mid 60s.

    Night

    68°F

    Mostly clear. Hot. Highs around 90. Lows in the mid 60s.

    Hourly details
  • 87|69°F
    Partly Cloudy

    Day

    87°F

    Partly sunny. Hot with highs around 90.

    Night

    69°F

    Mostly clear in the evening then becoming partly cloudy. A 20 percent chance of thunderstorms. Lows in the upper 60s.

    Hourly details
  • 91|68°F
    Mostly Sunny

    Day

    91°F

    Partly sunny. Hot with highs in the lower 90s.

    Night

    68°F

    Partly cloudy. A 20 percent chance of thunderstorms. Lows in the upper 60s. Highs in the upper 80s.

  • 86|67°F
    Partly Cloudy

    Day

    86°F

    Partly cloudy. A 20 percent chance of thunderstorms. Lows in the upper 60s. Highs in the upper 80s.

    Night

    67°F

    Clear with a chance of rain. Chance of precipitation 35%. Low temperature around 67F. Dew point will be around 65F with an average humidity of 72%. Winds will be 8 mph from the SE.

  • 85|66°F
    30% Chance of Rain

    Day

    85°F

    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 85F. Dew point will be around 65F with an average humidity of 66%. Winds will be 7 mph from the SE.

    Night

    66°F

    Clear with a 35% chance for rain and thunderstorms. Low temperature around 66F. Dew point will be around 65F with an average humidity of 73%. Winds will be 7 mph from the SE.

  • 84|65°F
    30% Chance of Rain

    Day

    84°F

    Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 84F. Dew point will be around 65F with an average humidity of 70%. Winds will be 7 mph from the SE.

    Night

    65°F

    Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 65F. Dew point will be around 65F with an average humidity of 73%. Winds will be 8 mph from the SE.