Winner, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Winner, a city in Tripp County, South Dakota.
This Afternoon
47°F
Mostly Cloudy
Mostly cloudy, with a high near 47. Northwest wind around 18 mph, with gusts as high as 30 mph.
7-day forecast for Winner
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 47°F | Mostly Cloudy | 18 mph NW | 11% |
| Tonight | 34°F | Mostly Cloudy | 12 to 15 mph NW | 0% |
| Thursday | 47°F | Partly Sunny | 7 to 14 mph N | 1% |
| Thursday Night | 25°F | Partly Cloudy | 5 mph E | 0% |
| Friday | 52°F | Mostly Sunny | 6 to 9 mph S | 0% |
| Friday Night | 33°F | Partly Cloudy | 8 mph S | 1% |
| Saturday | 62°F | Sunny | 6 to 9 mph W | 0% |
| Saturday Night | 35°F | Mostly Clear | 8 mph W | 0% |
| Sunday | 66°F | Sunny | 6 to 13 mph SW | 0% |
| Sunday Night | 43°F | Clear | 12 to 16 mph SW | 0% |
| Monday | 63°F | Sunny | 8 to 15 mph NW | 0% |
| Monday Night | 36°F | Mostly Clear | 6 mph W | 0% |
| Tuesday | 60°F | Mostly Sunny | 5 to 9 mph S | 0% |
| Tuesday Night | 38°F | Partly Cloudy | 7 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.