10-Day Weather Forecast - Gann Valley, SD
- 81|59°FPartly CloudyHourly details
Today
81°FPartly cloudy. High temperature around 81F. Dew point will be around 37F with an average humidity of 33%. Winds will be 19 mph from the SE.
Tonight
59°FMostly cloudy with a 20 percent chance of thunderstorms. Not as cool with lows in the mid 50s. South winds 10 to 15 mph becoming northwest 15 to 20 mph after midnight.
- 73|46°FMostly SunnyHourly details
Day
73°FMostly sunny and breezy. Not as warm with highs in the mid 70s. Northwest winds 15 to 25 mph with gusts up to 35 mph.
Night
46°FMostly clear. Cooler with lows in the lower 40s. Northwest winds 15 to 20 mph with gusts up to 30 mph diminishing to around 5 mph after midnight.
- 77|57°FMostly SunnyHourly details
Day
77°FMostly sunny. Highs in the upper 70s. South winds around 5 mph increasing to southeast 10 to 15 mph in the afternoon.
Night
57°FPartly cloudy in the evening then becoming mostly cloudy. Breezy and not as cool with lows in the lower 50s. Southeast winds 15 to 25 mph with gusts up to 40 mph.
- 84|58°FWindyHourly details
Day
84°FPartly sunny and very windy. Highs in the mid 80s.
Night
58°FPartly cloudy with a slight chance of showers in the evening then mostly clear after midnight. Lows around 50. Chance of rain 20 percent.
- 82|54°FMostly SunnyHourly details
Day
82°FMostly clear and breezy. Highs in the lower 80s. Lows in the upper 40s.
Night
54°FMostly clear and breezy. Highs in the lower 80s. Lows in the upper 40s.
Weekend Weather
- 82|56°FPartly SunnyHourly details
Day
82°FPartly sunny. A slight chance of showers in the morning then a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent.
Night
56°FPartly cloudy with a slight chance of thunderstorms in the evening then mostly cloudy with a chance of showers after midnight. Lows in the lower 50s. Chance of rain 30 percent.
- 76|51°F30% Chance of Storms
Day
76°FPartly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Breezy with highs in the mid 70s. Chance of rain 30 percent.
Night
51°FPartly cloudy with a 20 percent chance of showers. Breezy with lows in the mid 40s.
- 69|47°FPartly Sunny
Day
69°FPartly sunny. Highs in the upper 60s.
Night
47°FPartly cloudy. Low temperature around 47F. Dew point will be around 40F with an average humidity of 55%. Winds will be 6 mph from the N.
- 74|53°FSunny
Day
74°FSunny. High temperature around 74F. Dew point will be around 41F with an average humidity of 48%. Winds will be 4 mph from the SE.
Night
53°FMostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 53F. Dew point will be around 45F with an average humidity of 55%. Winds will be 6 mph from the SE.
- 75|53°F30% Chance of Rain
Day
75°FMostly sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 75F. Dew point will be around 49F with an average humidity of 56%. Winds will be 4 mph from the SE.
Night
53°FPartly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 53F. Dew point will be around 48F with an average humidity of 61%. Winds will be 5 mph from the E.













