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 7.0° 6.2°
Average change in low temperature day-to-day 8.4° 8.6°
Precipitation Last Month Last Year
Chance of dry day after a precip day 57% 58%
Chance of precip day after a dry day 17% 20%

Weather forecast accuracy for Lerna, Illinois

Last Month
MeteoGroup   76.08%
The Weather Channel   75.27%
Weather Underground   73.66%
WeatherBug   73.39%
AccuWeather   71.77%
National Weather Service   70.97%
Foreca   69.89%
Dark Sky (forecast.io)   68.01%
CustomWeather   65.05%
Persistence   42.20%
Last Year
MeteoGroup   77.07%
The Weather Channel   75.69%
National Weather Service   74.02%
Foreca   72.61%
WeatherBug   72.57%
Weather Underground   71.48%
AccuWeather   70.22%
CustomWeather   68.39%
Persistence   44.58%

ForecastAdvisor Fact

It rained or snowed 19% of the time in Lerna last month when Persistence's text forecasts called for precipitation, and 24% of the time when they did not.