10-Day Weather Forecast - Gann Valley, SD
- |10°FPartly CloudyHourly details
Tonight
10°FPartly cloudy. Near steady temperature around 11. North winds around 5 mph becoming southeast 10 to 15 mph.
- 36|30°FPartly SunnyHourly details
Day
36°FPartly sunny. Not as cold with highs in the lower 40s. Southeast winds 15 to 20 mph with gusts up to 30 mph.
Night
30°FMostly cloudy. Not as cold with lows in the mid 20s. West winds 10 to 15 mph with gusts up to 25 mph.
Weekend Weather
- 35|20°FMostly SunnyHourly details
Day
35°FMostly sunny. Highs in the mid 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Night
20°FMostly clear. Lows around 17. Northwest winds 5 to 10 mph becoming south after midnight.
- 37|31°FPartly SunnyHourly details
Day
37°FPartly sunny. Highs in the lower 40s.
Night
31°FMostly cloudy. Not as cold with lows in the upper 20s.
- 47|33°FPartly SunnyHourly details
Day
47°FPartly sunny. Not as cool with highs in the mid 50s.
Night
33°FMostly cloudy. Lows in the upper 20s. Highs in the lower 40s.
- 37|29°FMostly CloudyHourly details
Day
37°FMostly cloudy. Lows in the upper 20s. Highs in the lower 40s.
Night
29°FMostly cloudy. Lows in the upper 20s. Highs in the lower 40s.
- 44|37°FPartly SunnyHourly details
Day
44°FPartly sunny. Highs in the upper 40s.
Night
37°FPartly cloudy in the evening then becoming mostly cloudy. Lows around 30.
- 40|29°FPartly Sunny
Day
40°FPartly sunny. Highs in the mid 40s.
Night
29°FClear. Low temperature around 29F. Dew point will be around 27F with an average humidity of 86%. Winds will be 3 mph from the E.
- 37|27°FMostly Sunny
Day
37°FMostly sunny. High temperature around 37F. Dew point will be around 27F with an average humidity of 74%. Winds will be 3 mph from the S.
Night
27°FPartly cloudy. Low temperature around 27F. Dew point will be around 24F with an average humidity of 78%. Winds will be 3 mph from the N.
Weekend Weather
- 31|23°FCloudy
Day
31°FCloudy. High temperature around 31F. Dew point will be around 21F with an average humidity of 73%. Winds will be 4 mph from the N.
Night
23°FPartly cloudy. Low temperature around 23F. Dew point will be around 20F with an average humidity of 82%. Winds will be 2 mph from the N.














