5-day weather forecast for Trilla, Illinois

Weather changeability for Lerna, Illinois

Temperature Last Month Last Year
Average change in high temperature day-to-day 5.6° 6.3°
Average change in low temperature day-to-day 8.2° 8.7°
Precipitation Last Month Last Year
Chance of dry day after a precip day 100% 56%
Chance of precip day after a dry day 8% 22%

Weather forecast accuracy for Lerna, Illinois

Last Month
Weather Underground   83.33%
AccuWeather   83.04%
The Weather Channel   81.55%
Foreca   80.65%
MeteoGroup   80.36%
NWS Digital Forecast   75.00%
Dark Sky (forecast.io)   72.92%
Persistence   52.44%
Last Year
MeteoGroup   75.83%
Weather Underground   75.50%
The Weather Channel   75.10%
WeatherBug   71.12%
Foreca   71.01%
AccuWeather   70.40%
CustomWeather   70.24%
NWS Digital Forecast   68.59%
Persistence   45.86%

ForecastAdvisor Fact

On average, The Weather Channel's low temperature forecasts for Lerna were off by 2.75 degrees last year.