Heat Persists in the South Central U.S. and California; Heavy Rain in the Ohio Valley

Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest and California this week with limited nighttime relief. Heavy rainfall will lead to localized areas of flash flooding in parts of the Ohio Valley/Central Appalachians. Dry and breezy conditions will enhance fire weather concerns across the northern Rockies and High Plains. Read More >

Normals and Records

Last Freeze Normals
	Normal Last Spring 32° or Lower	Last Year (2021)
Chicago (O'Hare)	April 21	April 22
Rockford	April 27	April 22

Normals are based on 1991-2020 data.

Last Freeze Records
	Earliest Last Spring 32° or Lower	Latest Last Spring 32° or Lower
Chicago	March 19, 1925	May 25, 1992
Rockford	April 7, 2017	May 27, 1992

History of the Chicago and Rockford Weather Observation Sites

Illinois Normal Frost and Freeze Info | Indiana Normal Frost and Freeze Info

This Spring's Temperatures

Text Listing of Local Area Observed Low Temperatures

Maps of Midwest Recently Observed Low Temperatures

Other Information

LOT RSS Feed

Heat Persists in the South Central U.S. and California; Heavy Rain in the Ohio Valley

Normal Date of Final Spring Freeze