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 3.4° 5.5°
Average change in low temperature day-to-day 7.5° 7.3°
Precipitation Last Month Last Year
Chance of dry day after a precip day 38% 58%
Chance of precip day after a dry day 18% 26%

Weather forecast accuracy for Lerna, Illinois

Last Month
Dark Sky (forecast.io)   76.39%
Foreca   75.28%
AccuWeather   74.44%
The Weather Channel   74.44%
Weather Underground   74.44%
MeteoGroup   74.44%
NWS Digital Forecast   67.95%
World Weather Online   64.94%
Persistence   51.39%
Last Year
Weather Underground   78.58%
The Weather Channel   78.58%
Foreca   78.00%
MeteoGroup   77.08%
AccuWeather   76.74%
NWS Digital Forecast   71.02%
Dark Sky (forecast.io)   70.94%
World Weather Online   65.19%
Persistence   45.13%

ForecastAdvisor Fact

2.2% of Dark Sky (forecast.io)'s high temperature forecasts for Lerna were off by more than 10 degrees last month.