5-day weather forecast for Winner, South Dakota
Today
67°
86°
Slight Chance Thunderstorms
Saturday
68°
95°
Chance Thunderstorms
Sunday
64°
86°
Chance Thunderstorms
Monday
64°
87°
Partly Cloudy
Tuesday
67°
91°
Partly Cloudy
Click on a forecast to see the forecast trend for that day
Weather forecast accuracy for Winner, South Dakota
| National Weather Service | 69.29% |
| The Weather Channel | 68.16% |
| MyForecast | 66.94% |
| Accuweather | 66.19% |
| NWS Digital Forecast | 63.04% |
| Intellicast | 46.12% |
| The Weather Channel | 67.20% |
| MyForecast | 66.81% |
| Intellicast | 66.63% |
| Accuweather | 66.04% |
| National Weather Service | 65.29% |
| NWS Digital Forecast | 64.70% |
ForecastAdvisor Fact
On average, Intellicast's high temperature forecasts for Winner were off by 4.76 degrees last month.