Gann Valley, South Dakota | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Thursday
    Sunny
    40°
    Forecast night icon
    Night
    Mostly Cloudy
    31°
    Thursday 3/28
    Day
    40°
    Sunny
    Forecast day icon
    Night
    31°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. High temperature around 40F. Dew point will be around 21F with an average humidity of 70%. Winds will be 12 mph from the SE.
    Night Details
    Breezy. Mostly clear early in the evening then becoming mostly cloudy. Lows in the upper 20s. Southeast winds 15 to 25 mph with gusts to around 40 mph.
  • Forecast day icon
    Friday
    Mostly Cloudy
    47°
    Forecast night icon
    Night
    Partly Cloudy
    27°
    Friday 3/29
    Day
    47°
    Mostly Cloudy
    Forecast day icon
    Night
    27°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Highs in the upper 40s. South winds 5 to 15 mph with gusts to around 35 mph shifting to the northwest 15 to 20 mph in the afternoon.
    Night Details
    Partly cloudy. Lows in the mid 20s. Northwest winds 5 to 15 mph.
  • Forecast day icon
    Saturday
    Mostly Cloudy
    41°
    Forecast night icon
    Night
    50% Chance of Snow
    31°
    Saturday 3/30
    Day
    41°
    Mostly Cloudy
    Forecast day icon
    Night
    31°
    50% Chance of Snow
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Highs in the lower 40s. North winds 5 to 10 mph.
    Night Details
    Cloudy. A slight chance of light rain in the evening then a chance of light snow possibly mixed with rain after midnight. Lows in the upper 20s. East winds 5 to 15 mph. Chance of precipitation 50 percent.
  • Forecast day icon
    Sunday
    60% Chance Frozen Mix
    38°
    Forecast night icon
    Night
    Snow
    31°
    Sunday 3/31
    Day
    38°
    60% Chance Frozen Mix
    Forecast day icon
    Night
    31°
    Snow
    Forecast night icon
    Hourly
    Day Details
    Light rain and snow likely. Highs in the upper 30s. Chance of precipitation 60 percent.
    Night Details
    Light snow possibly mixed with rain. Accumulations possible. Lows in the upper 20s.
  • Forecast day icon
    Monday
    50% Chance Frozen Mix
    36°
    Forecast night icon
    Night
    Partly Cloudy
    26°
    Monday 4/1
    Day
    36°
    50% Chance Frozen Mix
    Forecast day icon
    Night
    26°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 50 percent chance of light rain and snow. Highs in the upper 30s.
    Night Details
    Partly cloudy. Lows in the mid 20s.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    45°
    Forecast night icon
    Night
    Mostly Clear
    29°
    Tuesday 4/2
    Day
    45°
    Mostly Sunny
    Forecast day icon
    Night
    29°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Highs in the upper 40s. Lows in the upper 20s.
    Night Details
    Mostly clear. Highs in the upper 40s. Lows in the upper 20s.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    53°
    Forecast night icon
    Night
    Mostly Clear
    40°
    Wednesday 4/3
    Day
    53°
    Mostly Sunny
    Forecast day icon
    Night
    40°
    Mostly Clear
    Forecast night icon
    Day Details
    Mostly clear. Highs in the mid 50s. Lows in the mid 30s.
    Night Details
    Mostly clear. Highs in the mid 50s. Lows in the mid 30s.
  • Forecast day icon
    Thursday
    Partly Sunny
    60°
    Forecast night icon
    Night
    Partly Cloudy
    40°
    Thursday 4/4
    Day
    60°
    Partly Sunny
    Forecast day icon
    Night
    40°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly sunny. Highs in the mid 60s.
    Night Details
    Partly cloudy. Low temperature around 40F. Dew point will be around 36F with an average humidity of 66%. Winds will be 7 mph from the NE.
  • Forecast day icon
    Friday
    Partly Cloudy
    52°
    Forecast night icon
    Night
    Partly Cloudy
    38°
    Friday 4/5
    Day
    52°
    Partly Cloudy
    Forecast day icon
    Night
    38°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 52F. Dew point will be around 34F with an average humidity of 63%. Winds will be 4 mph from the NE.
    Night Details
    Partly cloudy. Low temperature around 38F. Dew point will be around 33F with an average humidity of 65%. Winds will be 5 mph from the E.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    52°
    Forecast night icon
    Night
    50% Chance of Rain
    40°
    Saturday 4/6
    Day
    52°
    30% Chance of Rain
    Forecast day icon
    Night
    40°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 52F. Dew point will be around 35F with an average humidity of 66%. Winds will be 4 mph from the SE.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 40F. Dew point will be around 37F with an average humidity of 74%. Winds will be 4 mph from the E.