Gann Valley, South Dakota | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    47°
    Monday 5/6
    Forecast night icon
    47°
    Partly Cloudy
    Hourly
    Night Details
    Breezy. Mostly cloudy then becoming partly cloudy after midnight then becoming mostly cloudy. Lows in the mid 40s. South winds 5 to 15 mph increasing to 15 to 25 mph after midnight.
  • Forecast day icon
    Tuesday
    Windy
    57°
    Forecast night icon
    Night
    Partly Cloudy
    42°
    Tuesday 5/7
    Day
    57°
    Windy
    Forecast day icon
    Night
    42°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Windy. Mostly cloudy. Highs in the upper 50s. Southwest winds 20 to 30 mph with gusts to around 45 mph.
    Night Details
    Partly cloudy. Lows in the lower 40s. West winds 10 to 20 mph. Gusts up to 40 mph in the evening.
  • Forecast day icon
    Wednesday
    40% Chance Rain Showers
    61°
    Forecast night icon
    Night
    50% Chance of Storms
    46°
    Wednesday 5/8
    Day
    61°
    40% Chance Rain Showers
    Forecast day icon
    Night
    46°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A 40 percent chance of showers in the afternoon. Highs in the lower 60s. West winds 5 to 15 mph shifting to the north 10 to 15 mph in the afternoon.
    Night Details
    Partly cloudy. A chance of showers and a slight chance of thunderstorms in the evening then a chance of showers after midnight. Lows in the lower 40s. North winds 10 to 15 mph. Chance of precipitation 50 percent.
  • Forecast day icon
    Thursday
    30% Chance Rain Showers
    64°
    Forecast night icon
    Night
    Partly Cloudy
    48°
    Thursday 5/9
    Day
    64°
    30% Chance Rain Showers
    Forecast day icon
    Night
    48°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a 30 percent chance of showers. Highs in the mid 60s.
    Night Details
    Partly cloudy. Lows in the mid 40s. Highs in the upper 60s.
  • Forecast day icon
    Friday
    Partly Cloudy
    67°
    Forecast night icon
    Night
    Mostly Clear
    45°
    Friday 5/10
    Day
    67°
    Partly Cloudy
    Forecast day icon
    Night
    45°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Lows in the mid 40s. Highs in the upper 60s.
    Night Details
    Mostly clear. Lows 43 to 48. Highs in the lower 70s.
  • Forecast day icon
    Saturday
    Mostly Sunny
    70°
    Forecast night icon
    Night
    Mostly Clear
    50°
    Saturday 5/11
    Day
    70°
    Mostly Sunny
    Forecast day icon
    Night
    50°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows 43 to 48. Highs in the lower 70s.
    Night Details
    Mostly clear. Lows 43 to 48. Highs in the lower 70s.
  • Forecast day icon
    Sunday
    Mostly Sunny
    75°
    Forecast night icon
    Night
    Mostly Clear
    49°
    Sunday 5/12
    Day
    75°
    Mostly Sunny
    Forecast day icon
    Night
    49°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows 43 to 48. Highs in the lower 70s.
    Night Details
    Mostly clear. Lows 43 to 48. Highs in the lower 70s.
  • Forecast day icon
    Monday
    Mostly Sunny
    72°
    Forecast night icon
    Night
    Clear
    49°
    Monday 5/13
    Day
    72°
    Mostly Sunny
    Forecast day icon
    Night
    49°
    Clear
    Forecast night icon
    Day Details
    Mostly clear. Lows 43 to 48. Highs in the lower 70s.
    Night Details
    Clear. Low temperature around 49F. Dew point will be around 45F with an average humidity of 65%. Winds will be 3 mph from the S.
  • Forecast day icon
    Tuesday
    30% Chance of Rain
    71°
    Forecast night icon
    Night
    30% Chance of Rain
    51°
    Tuesday 5/14
    Day
    71°
    30% Chance of Rain
    Forecast day icon
    Night
    51°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 71F. Dew point will be around 46F with an average humidity of 59%. Winds will be 4 mph from the SW.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 51F. Dew point will be around 48F with an average humidity of 68%. Winds will be 5 mph from the S.
  • Forecast day icon
    Wednesday
    Sunny
    73°
    Forecast night icon
    Night
    Clear
    52°
    Wednesday 5/15
    Day
    73°
    Sunny
    Forecast day icon
    Night
    52°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 73F. Dew point will be around 50F with an average humidity of 64%. Winds will be 5 mph from the SW.
    Night Details
    Clear. Low temperature around 52F. Dew point will be around 48F with an average humidity of 65%. Winds will be 4 mph from the S.