Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. 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 Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Normal Date of Final Spring Freeze