Winner, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Winner, a city in Tripp County, South Dakota.
Today
72°F
Areas Of Smoke
Areas of smoke and a slight chance of rain showers before 1pm. Partly sunny, with a high near 72. Northwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
7-day forecast for Winner
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Areas Of Smoke | 7 to 10 mph NW | 20% |
| Tonight | 53°F | Partly Cloudy | 6 mph SW | 7% |
| Wednesday | 80°F | Sunny | 6 to 12 mph S | 2% |
| Wednesday Night | 60°F | Mostly Clear | 12 to 16 mph S | 1% |
| Thursday | 89°F | Sunny | 16 mph S | 6% |
| Thursday Night | 66°F | Mostly Clear | 16 mph S | 6% |
| Friday | 94°F | Sunny | 10 to 14 mph S | 3% |
| Friday Night | 66°F | Mostly Clear | 12 mph SE | 5% |
| Saturday | 97°F | Sunny | 12 to 22 mph SW | 3% |
| Saturday Night | 65°F | Mostly Clear | 9 to 21 mph SE | 7% |
| Sunday | 93°F | Mostly Sunny | 8 to 18 mph SE | 3% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms | 10 to 18 mph E | 28% |
| Monday | 91°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 10 to 17 mph E | 23% |
| Monday Night | 65°F | Slight Chance Showers And Thunderstorms | 10 to 17 mph E | 22% |
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 Aug 4, 2026.