5-day weather forecast for Altoona, Iowa
Today
42°
60°
Rain Showers
Tuesday
52°
68°
Chance Thunderstorms
Wednesday
60°
75°
Chance Thunderstorms
Thursday
55°
74°
Chance Thunderstorms
Friday
55°
73°
Partly Cloudy
Click on a forecast to see the forecast trend for that day
Weather forecast accuracy for Des Moines, Iowa
| Intellicast | 80.33% |
| The Weather Channel | 80.04% |
| MyForecast | 78.45% |
| National Weather Service | 77.47% |
| Accuweather | 76.10% |
| NWS Digital Forecast | 75.79% |
| National Weather Service | 73.05% |
| The Weather Channel | 72.55% |
| NWS Digital Forecast | 72.32% |
| Intellicast | 71.88% |
| MyForecast | 70.00% |
| Accuweather | 69.80% |
ForecastAdvisor Fact
It rained 43% of the time in Des Moines last year when National Weather Service's text forecasts called for precipitation, and 7% of the time when they did not.