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Cool, Dry August and Sixth Wettest Summer in Illinois

August was cool across the state and dry in most places in Illinois, capping off a summer that was cool and wet. Precipitation The statewide average precipitation for August in ...

Temperature Departures in Illinois During the 1982-83 and 1997-98 El Nino

The bar graph below summarizes the monthly temperature pattern for the past two strong El Niño events in Illinois - the 1982-83 event and 1997-98 event. The warmer than average ...

Cool, Dry Week in Illinois

What a pleasant week in Illinois. Temperatures were about 8 degrees below average and very little rain fell over the last 7 days as of Friday morning, except for a ...

Last Two Big El Nino Events – Milder Winters in Illinois

The latest NWS forecast for the winter months of December-February has Illinois with an increased chance of above-average temperatures. In general, the core winter months of December, January, and February, were ...

Another Forecast Suggests a Higher Chance of a Wet Fall in Illinois

Last week, the NWS Climate Prediction Center released their official forecast for fall and winter. Their forecasters used a variety of tools and as well their own expertise to develop ...