Gann Valley, South Dakota | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Saturday
    Mostly Sunny
    76°
    Forecast night icon
    Night
    Mostly Clear
    53°
    Saturday 5/11
    Day
    76°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. West winds 10 to 15 mph.
    Night Details
    Mostly clear. Lows in the lower 50s. Southwest winds 5 to 10 mph.
  • Forecast day icon
    Sunday
    Mostly Sunny
    79°
    Forecast night icon
    Night
    Mostly Clear
    51°
    Sunday 5/12
    Day
    79°
    Mostly Sunny
    Forecast day icon
    Night
    51°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 80s. West winds 5 to 10 mph shifting to the north 5 to 15 mph in the afternoon.
    Night Details
    Mostly clear. Lows in the upper 40s. Northeast winds 5 to 15 mph.
  • Forecast day icon
    Monday
    Mostly Sunny
    72°
    Forecast night icon
    Night
    Mostly Clear
    50°
    Monday 5/13
    Day
    72°
    Mostly Sunny
    Forecast day icon
    Night
    50°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 70s. Northeast winds 10 to 15 mph.
    Night Details
    Mostly clear. Lows in the upper 40s. East winds 5 to 15 mph.
  • Forecast day icon
    Tuesday
    40% Chance Rain Showers
    72°
    Forecast night icon
    Night
    60% Chance of Storms
    53°
    Tuesday 5/14
    Day
    72°
    40% Chance Rain Showers
    Forecast day icon
    Night
    53°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a 40 percent chance of showers. Highs in the lower 70s.
    Night Details
    Showers likely and a chance of thunderstorms. Lows in the lower 50s. Chance of precipitation 60 percent.
  • Forecast day icon
    Wednesday
    40% Chance of Storms
    66°
    Forecast night icon
    Night
    Mostly Clear
    48°
    Wednesday 5/15
    Day
    66°
    40% Chance of Storms
    Forecast day icon
    Night
    48°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers and a slight chance of thunderstorms. Highs in the upper 60s. Chance of precipitation 40 percent.
    Night Details
    Mostly clear. Lows in the mid 40s. Highs in the mid 70s.
  • Forecast day icon
    Thursday
    Mostly Sunny
    72°
    Forecast night icon
    Night
    Mostly Clear
    54°
    Thursday 5/16
    Day
    72°
    Mostly Sunny
    Forecast day icon
    Night
    54°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows in the mid 40s. Highs in the mid 70s.
    Night Details
    Mostly clear with a 20 percent chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
  • Forecast day icon
    Friday
    Mostly Sunny
    74°
    Forecast night icon
    Night
    Mostly Clear
    53°
    Friday 5/17
    Day
    74°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    Mostly Clear
    Forecast night icon
    Day Details
    Mostly clear with a 20 percent chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
    Night Details
    Mostly clear with a 20 percent chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
  • Forecast day icon
    Saturday
    Mostly Sunny
    75°
    Forecast night icon
    Night
    Clear
    51°
    Saturday 5/18
    Day
    75°
    Mostly Sunny
    Forecast day icon
    Night
    51°
    Clear
    Forecast night icon
    Day Details
    Mostly sunny. Highs in the mid 70s.
    Night Details
    Clear. Low temperature around 51F. Dew point will be around 45F with an average humidity of 57%. Winds will be 2 mph from the E.
  • Forecast day icon
    Sunday
    Sunny
    69°
    Forecast night icon
    Night
    Mostly Clear
    48°
    Sunday 5/19
    Day
    69°
    Sunny
    Forecast day icon
    Night
    48°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 69F. Dew point will be around 44F with an average humidity of 54%. Winds will be 4 mph from the NW.
    Night Details
    Mostly clear. Low temperature around 48F. Dew point will be around 43F with an average humidity of 60%. Winds will be 4 mph from the E.
  • Forecast day icon
    Monday
    Partly Cloudy
    67°
    Forecast night icon
    Night
    Partly Cloudy
    48°
    Monday 5/20
    Day
    67°
    Partly Cloudy
    Forecast day icon
    Night
    48°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 67F. Dew point will be around 43F with an average humidity of 57%. Winds will be 3 mph from the NW.
    Night Details
    Partly cloudy. Low temperature around 48F. Dew point will be around 42F with an average humidity of 61%. Winds will be 3 mph from the E.