5-day weather forecast for Mendota, Illinois
Today
81°
Chance Thunderstorms
Wednesday
62°
73°
Chance Thunderstorms
Thursday
53°
62°
Chance Rain
Showers
Showers
Friday
41°
65°
Slight Chance Thunderstorms
Saturday
45°
64°
Chance Rain
Showers
Showers
Click on a forecast to see the forecast trend for that day
Weather changeability for Sugar Grove, Illinois
| Temperature | Last Month | Last Year |
|---|---|---|
| Average change in high temperature day-to-day | 4.3° | 5.8° |
| Average change in low temperature day-to-day | 10.5° | 7.9° |
| Precipitation | Last Month | Last Year |
|---|---|---|
| Chance of dry day after a precip day | 33% | 51% |
| Chance of precip day after a dry day | 17% | 32% |
Weather forecast accuracy for Sugar Grove, Illinois
| The Weather Channel | 76.09% |
| Intellicast | 76.09% |
| National Weather Service | 73.19% |
| Weather Underground | 71.62% |
| AccuWeather | 70.96% |
| NWS Digital Forecast | 69.97% |
| CustomWeather | 69.69% |
| World Weather Online | 65.92% |
| Persistence | 44.23% |
| The Weather Channel | 66.95% |
| Intellicast | 66.92% |
| National Weather Service | 66.59% |
| NWS Digital Forecast | 64.50% |
| AccuWeather | 64.10% |
| CustomWeather | 63.56% |
| Persistence | 40.73% |
ForecastAdvisor Fact
On average, Intellicast's high temperature forecasts for Sugar Grove were off by 3.12 degrees last year.