Illinois State Climatologist

A large tornado outbreak occurred in Illinois on June 5. The NOAA Storm Prediction Center has 31 preliminary damage reports for the state (see below). In some cases a single ...
Read More

Based on preliminary data, the statewide average temperature for spring in Illinois was 55.3 degrees, 3.3 degrees above normal and the fourth warmest spring on record. Warmer than normal conditions ...
Read More

For Illinois, the preliminary statewide average temperature was 64.1 degrees, 1.3 degrees above normal. Basically the first 17 days of the month ran on the cool side (1.4 degrees below ...
Read More

After a cold start to May (see earlier post), the period between May 18 and 27 was much warmer. The statewide average temperature during this period was 3.7 degrees above ...
Read More

NOAA has an excellent website for monitoring global and U.S. conditions at http://www.ncdc.noaa.gov/climate-monitoring/index.php This site gives an overview of temperatures, precipitation, global hazards, tornadoes, wildfires, droughts, and other conditions for ...
Read More