Gann Valley, South Dakota | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Windy
    50°
    Sunday 5/5
    Forecast night icon
    50°
    Windy
    Hourly
    Night Details
    Windy. Partly cloudy late in the evening then becoming mostly cloudy. Lows in the lower 50s. Southeast winds 25 to 35 mph. Gusts up to 45 mph after midnight.
  • Forecast day icon
    Monday
    70% Chance of Storms
    63°
    Forecast night icon
    Night
    50% Chance of Storms
    47°
    Monday 5/6
    Day
    63°
    70% Chance of Storms
    Forecast day icon
    Night
    47°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Windy cloudy. A chance of showers and thunderstorms in the morning then showers likely and a chance of thunderstorms in the afternoon. Highs in the upper 60s. Southeast winds 25 to 35 mph with gusts to around 50 mph. Chance of precipitation 70 percent.
    Night Details
    Windy. Mostly cloudy with a chance of showers and thunderstorms in the evening then partly cloudy with a slight chance of showers after midnight. Lows in the mid 40s. South winds 20 to 30 mph. Chance of precipitation 50 percent.
  • Forecast day icon
    Tuesday
    Windy
    62°
    Forecast night icon
    Night
    30% Chance Rain Showers
    43°
    Tuesday 5/7
    Day
    62°
    Windy
    Forecast day icon
    Night
    43°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Windy. Partly sunny with a 20 percent chance of showers. Highs in the lower 60s. West winds 20 to 30 mph.
    Night Details
    Partly cloudy with a 30 percent chance of showers. Lows in the lower 40s. West winds 10 to 20 mph.
  • Forecast day icon
    Wednesday
    50% Chance Rain Showers
    57°
    Forecast night icon
    Night
    50% Chance of Storms
    45°
    Wednesday 5/8
    Day
    57°
    50% Chance Rain Showers
    Forecast day icon
    Night
    45°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a 50 percent chance of showers. Highs around 60.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. A chance of showers and a slight chance of thunderstorms. Lows in the lower 40s. Chance of precipitation 50 percent.
  • Forecast day icon
    Thursday
    50% Chance of Storms
    60°
    Forecast night icon
    Night
    Partly Cloudy
    45°
    Thursday 5/9
    Day
    60°
    50% Chance of Storms
    Forecast day icon
    Night
    45°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers and a slight chance of thunderstorms. Highs in the lower 60s. Chance of precipitation 50 percent.
    Night Details
    Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the lower 40s.
  • Forecast day icon
    Friday
    Partly Sunny
    62°
    Forecast night icon
    Night
    Mostly Clear
    44°
    Friday 5/10
    Day
    62°
    Partly Sunny
    Forecast day icon
    Night
    44°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a 20 percent chance of showers. Highs in the mid 60s.
    Night Details
    Mostly clear. Lows in the mid 40s. Highs in the upper 60s.
  • Forecast day icon
    Saturday
    Mostly Sunny
    62°
    Forecast night icon
    Night
    Mostly Clear
    45°
    Saturday 5/11
    Day
    62°
    Mostly Sunny
    Forecast day icon
    Night
    45°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows in the mid 40s. Highs in the upper 60s.
    Night Details
    Mostly clear. Lows in the mid 40s. Highs in the upper 60s.
  • Forecast day icon
    Sunday
    Mostly Sunny
    67°
    Forecast night icon
    Night
    Clear
    49°
    Sunday 5/12
    Day
    67°
    Mostly Sunny
    Forecast day icon
    Night
    49°
    Clear
    Forecast night icon
    Day Details
    Mostly sunny. Highs in the mid 70s.
    Night Details
    Clear. Low temperature around 49F. Dew point will be around 43F with an average humidity of 65%. Winds will be 3 mph from the SW.
  • Forecast day icon
    Monday
    Sunny
    71°
    Forecast night icon
    Night
    Clear
    50°
    Monday 5/13
    Day
    71°
    Sunny
    Forecast day icon
    Night
    50°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 71F. Dew point will be around 47F with an average humidity of 61%. Winds will be 3 mph from the SW.
    Night Details
    Clear. Low temperature around 50F. Dew point will be around 48F with an average humidity of 68%. Winds will be 4 mph from the S.
  • Forecast day icon
    Tuesday
    Sunny
    71°
    Forecast night icon
    Night
    Clear
    51°
    Tuesday 5/14
    Day
    71°
    Sunny
    Forecast day icon
    Night
    51°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 71F. Dew point will be around 49F with an average humidity of 64%. Winds will be 3 mph from the S.
    Night Details
    Clear. Low temperature around 51F. Dew point will be around 50F with an average humidity of 71%. Winds will be 3 mph from the SE.