On-line Climate Data in Illinois

Jim Angel, state climatologist

• Current Conditions across the State
• Monthly Climate Data For Sites across the State
• Pan Evaporation for Sites across the State
• CoCoRaHS - new Rain, Hail, and Snow network
• Champaign-Urbana

National Weather Service sites

The following National Weather Service (NWS) sites have daily climate data for the current month and previous months for sites in or nearby to Illinois. Disclaimer: These are links to National Weather Service sites. Questions regarding the data found on these sites should be directed to the appropriate NWS office.

• Chicago and Rockford IL
• Champaign, Decatur, Mattoon, Peoria, Springfield IL
• Moline IL
• Cahokia and Quincy IL and St. Louis MO
• Paducah KY

Background Information

• Types of Climate Data
• Stations Available
• Climate Records in Court