Gann Valley, South Dakota | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Wednesday
    Mostly Sunny
    65°
    Forecast night icon
    Night
    Partly Cloudy
    48°
    Wednesday 4/24
    Day
    65°
    Mostly Sunny
    Forecast day icon
    Night
    48°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. High temperature around 65F. Dew point will be around 33F with an average humidity of 52%. Winds will be 11 mph from the S.
    Night Details
    Breezy. Partly cloudy. Lows in the upper 40s. Southeast winds 15 to 25 mph.
  • Forecast day icon
    Thursday
    50% Chance of Storms
    62°
    Forecast night icon
    Night
    Chance of Storms
    51°
    Thursday 4/25
    Day
    62°
    50% Chance of Storms
    Forecast day icon
    Night
    51°
    Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Windy. Mostly cloudy. A 50 percent chance of showers and thunderstorms in the afternoon. Highs in the mid 60s. Southeast winds 20 to 30 mph.
    Night Details
    Breezy. Showers and a chance of thunderstorms. Lows in the upper 40s. Southeast winds 15 to 25 mph with gusts to around 40 mph.
  • Forecast day icon
    Friday
    Chance of Storms
    58°
    Forecast night icon
    Night
    Chance of Storms
    48°
    Friday 4/26
    Day
    58°
    Chance of Storms
    Forecast day icon
    Night
    48°
    Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers and a chance of thunderstorms. Highs in the lower 60s. East winds 15 to 20 mph.
    Night Details
    Showers and a chance of thunderstorms in the evening then a chance of showers and a slight chance of thunderstorms after midnight. Lows in the upper 40s. North winds 15 to 20 mph.
  • Forecast day icon
    Saturday
    40% Chance Rain Showers
    51°
    Forecast night icon
    Night
    60% Chance Rain Showers
    42°
    Saturday 4/27
    Day
    51°
    40% Chance Rain Showers
    Forecast day icon
    Night
    42°
    60% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 40 percent chance of showers. Highs in the mid 50s.
    Night Details
    Showers likely. Lows in the upper 30s. Chance of showers 60 percent.
  • Forecast day icon
    Sunday
    Rain Showers
    42°
    Forecast night icon
    Night
    40% Chance Rain Showers
    37°
    Sunday 4/28
    Day
    42°
    Rain Showers
    Forecast day icon
    Night
    37°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Showers. Highs in the mid 40s.
    Night Details
    Mostly cloudy with a 40 percent chance of rain showers. Lows in the mid 30s.
  • Forecast day icon
    Monday
    Partly Sunny
    58°
    Forecast night icon
    Night
    Mostly Clear
    43°
    Monday 4/29
    Day
    58°
    Partly Sunny
    Forecast day icon
    Night
    43°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the lower 60s.
    Night Details
    Mostly clear. Lows in the lower 40s. Highs in the lower 70s.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    73°
    Forecast night icon
    Night
    Mostly Clear
    49°
    Tuesday 4/30
    Day
    73°
    Mostly Sunny
    Forecast day icon
    Night
    49°
    Mostly Clear
    Forecast night icon
    Day Details
    Mostly clear. Lows in the lower 40s. Highs in the lower 70s.
    Night Details
    Mostly clear. Lows in the upper 40s. Highs in the mid 70s.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    68°
    Forecast night icon
    Night
    Clear
    49°
    Wednesday 5/1
    Day
    68°
    Mostly Sunny
    Forecast day icon
    Night
    49°
    Clear
    Forecast night icon
    Day Details
    Mostly clear. Lows in the upper 40s. Highs in the mid 70s.
    Night Details
    Clear. Low temperature around 49F. Dew point will be around 47F with an average humidity of 71%. Winds will be 5 mph from the E.
  • Forecast day icon
    Thursday
    30% Chance of Rain
    68°
    Forecast night icon
    Night
    30% Chance of Rain
    52°
    Thursday 5/2
    Day
    68°
    30% Chance of Rain
    Forecast day icon
    Night
    52°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 68F. Dew point will be around 48F with an average humidity of 67%. Winds will be 8 mph from the SE.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 52F. Dew point will be around 51F with an average humidity of 76%. Winds will be 10 mph from the SE.
  • Forecast day icon
    Friday
    30% Chance of Rain
    65°
    Forecast night icon
    Night
    50% Chance of Rain
    50°
    Friday 5/3
    Day
    65°
    30% Chance of Rain
    Forecast day icon
    Night
    50°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 65F. Dew point will be around 51F with an average humidity of 74%. Winds will be 10 mph from the SE.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 50F. Dew point will be around 51F with an average humidity of 80%. Winds will be 6 mph from the SE.