Winner, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Winner, a city in Tripp County, South Dakota.
Tonight
33°F
Cloudy
Cloudy. Low around 33, with temperatures rising to around 35 overnight. Northwest wind around 15 mph, with gusts as high as 29 mph.
7-day forecast for Winner
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 33°F | Cloudy | 15 mph NW | 3% |
| Wednesday | 48°F | Mostly Cloudy | 17 mph NW | 12% |
| Wednesday Night | 33°F | Mostly Cloudy | 15 mph NW | 6% |
| Thursday | 50°F | Mostly Sunny | 8 to 14 mph N | 1% |
| Thursday Night | 28°F | Partly Cloudy | 6 mph E | 0% |
| Friday | 52°F | Mostly Sunny | 7 mph S | 0% |
| Friday Night | 31°F | Partly Cloudy | 7 mph S | 0% |
| Saturday | 61°F | Sunny | 7 to 14 mph W | 5% |
| Saturday Night | 34°F | Mostly Clear | 9 mph W | 2% |
| Sunday | 65°F | Sunny | 7 to 12 mph SW | 0% |
| Sunday Night | 41°F | Mostly Clear | 10 to 14 mph SW | 0% |
| Monday | 62°F | Sunny | 8 to 17 mph NW | 0% |
| Monday Night | 37°F | Partly Cloudy | 7 mph W | 0% |
| Tuesday | 61°F | Mostly Sunny | 7 to 10 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov) for Winner (43.378, -99.855). Updated through the day.
Growing snapshot for Winner
Last spring frost
May 1
First fall frost
Oct 9
Growing season
159 days
Hardiness zone
5a
More local growing data for Winner: nearby ZIP 57528 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Winner, Sd (13.8 mi from Winner). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.