5-day weather forecast for Alta, Iowa
Today
46°
79°
Slight Chance Thunderstorms
Friday
52°
79°
Mostly sunny
Saturday
59°
84°
Mostly sunny
Sunday
61°
87°
Partly Cloudy
Monday
63°
88°
Chance Thunderstorms
Click on a forecast to see the forecast trend for that day
Weather forecast accuracy for Spencer, Iowa
| National Weather Service | 75.02% |
| MyForecast | 71.67% |
| Accuweather | 69.60% |
| The Weather Channel | 68.73% |
| NWS Digital Forecast | 68.32% |
| Intellicast | 57.89% |
| 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
57.4% of National Weather Service's high temperature forecasts for Spencer were within 3 degrees of actual temperatures last year.