Normal First Freeze Information

Severe Thunderstorms Tonight in the Mid-Atlantic; Tropical Storm Bertha in the Gulf

Scattered thunderstorms with severe gusts, hail and a tornado risk are possible near a cold front from the Ohio Valley to the Mid-Atlantic tonight. Tropical Storm Bertha is expected to bring tropical storm conditions to portions of the Gulf Coast from the panhandle of Florida into Louisiana through Wednesday. Read More >

First Freeze Normals
	Normal First Autumn 32° or Lower	First Freeze Date Last Year (2021)
Chicago (O'Hare)	October 19	November 2
Rockford	October 13	October 23

First Freeze Records
	Earliest First Autumn 32° or Lower	Latest First Autumn 32° or Lower
Chicago	September 22, 1995 (32°)	November 24, 1931 (30°)
Rockford	September 13, 1975 (32°)	November 11, 2016 (32°)