Slight Risk for Excessive Rainfall and Severe Thunderstorms Thursday

Additional rounds of thunderstorms are expected Thursday and Thursday night across Oklahoma and north Texas, with risks for both large hail and flash flooding. Strong winds may accompany any storms from east Texas northeast through the lower Great Lakes. Read More >

On average, central Illinois will see its first freeze around the middle of October. The first hard freeze (low of 28 degrees or below) typically occurs in late October or the first few days of November.

The following graphics are courtesy of the Midwestern Regional Climate Center.

Observed date of most recent freeze

Observed date of most recent hard freeze (28 deg.)

Average date of last freeze

Average date of last hard freeze (28 deg.)

Observed date of most recent freeze. Image courtesy MRCC