5-day weather forecast for Ancona, Illinois
Today
61°
81°
Mostly sunny
Sunday
62°
80°
Partly Cloudy
Monday
54°
76°
Chance Thunderstorms
Tuesday
49°
66°
Chance Thunderstorms
Wednesday
45°
66°
Slight Chance Thunderstorms
Click on a forecast to see the forecast trend for that day
Weather forecast accuracy for Peoria, Illinois
| The Weather Channel | 89.02% |
| National Weather Service | 87.46% |
| NWS Digital Forecast | 83.70% |
| Intellicast | 83.49% |
| MyForecast | 79.70% |
| Accuweather | 79.62% |
| The Weather Channel | 72.96% |
| National Weather Service | 72.07% |
| Intellicast | 71.31% |
| MyForecast | 70.36% |
| NWS Digital Forecast | 70.18% |
| Accuweather | 69.52% |
ForecastAdvisor Fact
On average, The Weather Channel's high temperature forecasts for Peoria were off by 3.29 degrees last year.