5-day weather forecast for Alton, Iowa
Today
67°
85°
Chance Thunderstorms
Monday
63°
82°
Chance Thunderstorms
Tuesday
60°
82°
Slight Chance Thunderstorms
Wednesday
58°
80°
Partly Cloudy
Thursday
64°
84°
Partly Cloudy
Click on a forecast to see the forecast trend for that day
Weather forecast accuracy for Spencer, Iowa
| The Weather Channel | 68.56% |
| Accuweather | 67.56% |
| MyForecast | 65.73% |
| National Weather Service | 65.56% |
| NWS Digital Forecast | 63.26% |
| Intellicast | 47.04% |
| The Weather Channel | 68.85% |
| Intellicast | 68.84% |
| National Weather Service | 68.81% |
| MyForecast | 67.93% |
| NWS Digital Forecast | 67.85% |
| Accuweather | 67.02% |
ForecastAdvisor Fact
It rained 30% of the time in Spencer last year when The Weather Channel's icon forecasts called for precipitation, and 9% of the time when they did not.