Gann Valley, South Dakota | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Clear
    37°
    Thursday 5/2
    Forecast night icon
    37°
    Clear
    Hourly
    Night Details
    Clear. Lows in the mid 30s. West winds up to 5 mph.
  • Forecast day icon
    Friday
    40% Chance Rain Showers
    51°
    Forecast night icon
    Night
    70% Chance Rain Showers
    36°
    Friday 5/3
    Day
    51°
    40% Chance Rain Showers
    Forecast day icon
    Night
    36°
    70% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then cloudy with a 40 percent chance of rain showers in the afternoon. Highs in the mid 50s. Northwest winds 5 to 15 mph.
    Night Details
    Rain showers likely in the evening then partly cloudy with a slight chance of rain showers after midnight. Lows in the mid 30s. West winds 5 to 10 mph. Chance of showers 70 percent.
  • Forecast day icon
    Saturday
    Sunny
    58°
    Forecast night icon
    Night
    Clear
    39°
    Saturday 5/4
    Day
    58°
    Sunny
    Forecast day icon
    Night
    39°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 60s. Northwest winds 5 to 10 mph.
    Night Details
    Clear. Lows in the upper 30s. Southwest winds 5 to 10 mph shifting to the southeast after midnight.
  • Forecast day icon
    Sunday
    Mostly Sunny
    65°
    Forecast night icon
    Night
    50% Chance of Storms
    53°
    Sunday 5/5
    Day
    65°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Breezy. Mostly sunny. Highs in the upper 60s.
    Night Details
    Breezy. Partly cloudy in the evening then becoming mostly cloudy. A 50 percent chance of showers and thunderstorms. Lows in the mid 50s.
  • Forecast day icon
    Monday
    70% Chance of Storms
    64°
    Forecast night icon
    Night
    40% Chance of Storms
    49°
    Monday 5/6
    Day
    64°
    70% Chance of Storms
    Forecast day icon
    Night
    49°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Breezy. Showers likely and a chance of thunderstorms. Highs in the upper 60s. Chance of precipitation 70 percent.
    Night Details
    Partly cloudy with a 40 percent chance of showers and thunderstorms. Lows in the mid 40s.
  • Forecast day icon
    Tuesday
    Partly Sunny
    59°
    Forecast night icon
    Night
    30% Chance Rain Showers
    45°
    Tuesday 5/7
    Day
    59°
    Partly Sunny
    Forecast day icon
    Night
    45°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Breezy. Partly sunny with a 20 percent chance of showers. Highs in the mid 60s.
    Night Details
    Partly cloudy. A 30 percent chance of showers. Lows in the lower 40s. Highs in the lower 60s.
  • Forecast day icon
    Wednesday
    30% Chance Rain Showers
    58°
    Forecast night icon
    Night
    Partly Cloudy
    43°
    Wednesday 5/8
    Day
    58°
    30% Chance Rain Showers
    Forecast day icon
    Night
    43°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. A 30 percent chance of showers. Lows in the lower 40s. Highs in the lower 60s.
    Night Details
    Partly cloudy with a 20 percent chance of showers. Lows in the lower 40s.
  • Forecast day icon
    Thursday
    Mostly Cloudy
    58°
    Forecast night icon
    Night
    30% Chance of Rain
    42°
    Thursday 5/9
    Day
    58°
    Mostly Cloudy
    Forecast day icon
    Night
    42°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a 20 percent chance of showers. Highs in the upper 50s.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 42F. Dew point will be around 41F with an average humidity of 77%. Winds will be 5 mph from the NW.
  • Forecast day icon
    Friday
    30% Chance of Rain
    58°
    Forecast night icon
    Night
    30% Chance of Rain
    43°
    Friday 5/10
    Day
    58°
    30% Chance of Rain
    Forecast day icon
    Night
    43°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 58F. Dew point will be around 42F with an average humidity of 72%. Winds will be 4 mph from the NW.
    Night Details
    Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 43F. Dew point will be around 41F with an average humidity of 74%. Winds will be 3 mph from the NW.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    59°
    Forecast night icon
    Night
    30% Chance of Rain
    43°
    Saturday 5/11
    Day
    59°
    30% Chance of Rain
    Forecast day icon
    Night
    43°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 59F. Dew point will be around 43F with an average humidity of 71%. Winds will be 4 mph from the NW.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 43F. Dew point will be around 42F with an average humidity of 75%. Winds will be 2 mph from the NW.