Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. 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. An interactive version is available at https://mrcc.purdue.edu/freeze/freezedatetool.

Observed date of most recent freeze

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

Average date of first freeze

Average date of first hard freeze (28 deg.)

Observed date of most recent freeze. Image courtesy MRCC