5-day weather forecast for Windsor, Illinois
Today
62°
86°
Slight Chance Thunderstorms
Monday
69°
87°
Chance Thunderstorms
Tuesday
70°
81°
Thunderstorms Likely
Wednesday
66°
78°
Thunderstorms Likely
Thursday
60°
74°
Chance Rain
Showers
Showers
Click on a forecast to see the forecast trend for that day
Weather changeability for Lerna, Illinois
| Temperature | Last Month | Last Year |
|---|---|---|
| Average change in high temperature day-to-day | 6.3° | 6.1° |
| Average change in low temperature day-to-day | 7.0° | 8.0° |
| Precipitation | Last Month | Last Year |
|---|---|---|
| Chance of dry day after a precip day | 67% | 50% |
| Chance of precip day after a dry day | 18% | 25% |
Weather forecast accuracy for Lerna, Illinois
| The Weather Channel | 75.32% |
| Intellicast | 75.32% |
| National Weather Service | 71.84% |
| NWS Digital Forecast | 71.52% |
| CustomWeather | 71.20% |
| Weather Underground | 70.89% |
| AccuWeather | 70.25% |
| World Weather Online | 58.23% |
| Persistence | 39.95% |
| National Weather Service | 71.16% |
| The Weather Channel | 69.33% |
| Intellicast | 69.20% |
| NWS Digital Forecast | 67.21% |
| AccuWeather | 66.79% |
| CustomWeather | 65.98% |
| Persistence | 42.97% |
ForecastAdvisor Fact
23.4% of Persistence's low temperature forecasts for Lerna were within 3 degrees of actual temperatures last month.