Illinois State Water Survey
Institute of Natural Resource Sustainability
University of Illinois at Urbana-Champaign

Illinois State Climatologist Office

Jim Angel, state climatologist

Current Climate Conditions in Illinois

Jim Angel, state climatologist

Current climate conditions in Illinois are represented here using tables, figures, and maps of temperature, precipitation, and snowfall for selected time periods. By presenting both the actual values and their departures from average, the viewer can get a relative sense of current conditions. These products are updated by 10:30 a.m. Central Time.

Tables

Crop Reporting District/Climate Division temperature and precipitation for this month, last month, last 90-120-180 days, and year-to-date.

Graphs

Monthly amounts for the last 12 months (view as one web page with data points here).

Maps for this month
Precipitation Snowfall Mean Temperature Low Temperature High Temperature
Total Total Actual Actual Actual
Departure Departures Departure Departure Departure
Percent of Average Percent of Average

 

Maps for the last 7 days
Precipitation Snowfall Mean Temperature Low Temperature High Temperature
Total Total Actual Actual Actual
Departure Departures Departure Departure Departure
Percent of Average Percent of Average

 

Maps for the last 30 days
Precipitation Snowfall Mean Temperature Low Temperature High Temperature
Total Total Actual Actual Actual
Departure Departures Departure Departure Departure
Percent of Average Percent of Average

 

Maps for the last 90 days
Precipitation Snowfall Mean Temperature Low Temperature High Temperature
Total Total Actual Actual Actual
Departure Departures Departure Departure Departure
Percent of Average Percent of Average

 

Maps for the year-to-date
Precipitation Snowfall Mean Temperature Low Temperature High Temperature
Total Total Actual Actual Actual
Departure Departures Departure Departure Departure
Percent of Average Percent of Average

*snowfall year-to-date starts on September 1

The data used in these products come from the National Weather Service (NWS) Cooperative Observer Program (COOP). This network of more than 11,000 volunteer observers nationwide, using approved instruments and observing techniques, provides high-quality climate data to the nation. The data are archived at the National Climatic Data Center (NCDC).

For other, detailed precipitation reports of Illinois (rain, snow, and hail), visit the rapidly expanding Community Collaborative Rain, Hail, and Snow network (CoCoRaHS).