Cold Weather Advisory, Illinois

Moderate

Very cold wind chills as low as 15 to 20 below. The dangerously cold wind chills as low as 20 below zero could cause frostbite on exposed skin in as little as 30 minutes.

Ended Monday, January 19, 2026.

Issued: Saturday, January 17, 1:51 in the afternoon
Expires: Monday, January 19, noon
Updated: January 19, 2026

Places in this advisory

Map

This advisory
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Alert area: National Weather Service. Borders and highways: U.S. Census Bureau. Lakes, rivers and other countries: Natural Earth. Open this area in OpenStreetMap

Details from the National Weather Service

What: Very cold wind chills as low as 15 to 20 below.
Where: Portions of west central Illinois, southeast Iowa, and northeast Missouri.
When: Until noon CST today.
Impacts: The dangerously cold wind chills as low as 20 below zero could cause frostbite on exposed skin in as little as 30 minutes.

Updates

Monday 11:56 in the morning
Allowed to end on time. January 19, 2026
Monday 9:42 in the morning
Reissued with no change to the times or amounts. January 19, 2026
Monday 3:02 in the morning
Reissued with no change to the times or amounts. January 19, 2026
Sunday 8:47 in the evening
Reissued with no change to the times or amounts. January 18, 2026
Sunday 2:31 in the afternoon
Reissued with no change to the times or amounts. January 18, 2026
Sunday 12:29 in the afternoon
Reissued with no change to the times or amounts. January 18, 2026
Sunday 2:38 in the morning
Area expanded. January 18, 2026
Saturday 9:02 at night
Reissued with no change to the times or amounts. January 17, 2026
Saturday 1:51 in the afternoon
Cold Weather Advisory issued for Monday overnight through Monday afternoon. January 17, 2026