Normal Date of Final Spring Freeze

Extreme Heat and Severe Thunderstorms Today

Extreme heat continues today from the central Plains to the lower Mississippi River Valley, over southeast Montana, and from southern California into the Southwest Deserts. Extreme Heat Warnings remain in effect. Severe thunderstorms capable of strong to severe wind gusts and large hail are possible across the Great Lakes into the Ohio Valley today into tonight. Read More >

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

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