Illinois State Water Survey - University of Illinois at Urbana-Champaign

State Climatologist Office for Illinois


Dr. Jim Angel

State Climatologist

Welcome to the State Climatologist Office for Illinois. This website contains a wide range of climate data, maps, and information on Illinois. In addition, we do research in Illinois on past climate events, monitor current conditions, and study possible future climate change (more about us).

Follow us on Twitter or our blog.

Champaign-Urbana weather observations.

Recently added: high resolution precipitation maps.

Popular Pages


Illinois At a Glance

Here is a quick glance of current conditions in Illinois from left to right, 1) 30-day, 2) 90-day precipitation departures, 3) 30-day, 4) 90-day temperature departures, and 5) winter snowfall departure from average. Click to enlarge. Here is the link to more maps of current conditions.

Other News

Please follow us on Twitter or our blog for updated climate news.

The 2012 Drought in Illinois

Illinois experienced one of the most severe droughts in recent decades in 2012. The 2012 drought was covered extensively in the blog at . You can find out information specifically on the 2012 drought on the State Water Survey drought page and the State of Illinois Drought Response Task Force page. You can find out general information on drought in Illinois on my drought page.

In coming months a number of reports at the state and national level will be coming out.

Historical Weather Records for Fort Armstrong (1820-1836)

Check out the historical records for Fort Armstrong (1820-1836) on the modern-day Rock Island Arsenal. Fort Armstrong

Climate Events in Illinois Archive

For events from 2012 to present, please see

Illinois State Water Survey

2204 Griffith Dr
Champaign, IL 61820-7463

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