5-day weather forecast for Windsor, Illinois

Weather changeability for Lerna, Illinois

Temperature Last Month Last Year
Average change in high temperature day-to-day 7.1° 5.5°
Average change in low temperature day-to-day 8.0° 8.0°
Precipitation Last Month Last Year
Chance of dry day after a precip day 83% 50%
Chance of precip day after a dry day 24% 22%

Weather forecast accuracy for Lerna, Illinois

Last Month
Weather Underground   78.27%
Dark Sky (forecast.io)   77.08%
The Weather Channel   76.49%
Foreca   76.19%
AccuWeather   74.11%
MeteoGroup   73.81%
NWS Digital Forecast   67.99%
World Weather Online   65.43%
Persistence   46.26%
Last Year
Weather Underground   77.28%
The Weather Channel   77.04%
AccuWeather   77.03%
Foreca   76.28%
MeteoGroup   75.50%
Dark Sky (forecast.io)   72.89%
NWS Digital Forecast   71.95%
World Weather Online   65.89%
Persistence   45.73%

ForecastAdvisor Fact

On average, NWS Digital Forecast's high temperature forecasts for Lerna were off by 3.66 degrees last month.