winterstormwarning.com

Winter Weather Advisory, Illinois

Moderate

Another 2 to 4 inches of snow along the Cook County shore to 1 inch or less along and west of the Interstate 294 corridor. Roads, and especially bridges and overpasses, will likely become slick and hazardous.

Ended Saturday, January 31, 2026.

Issued
Expires
Updated

Places in this advisory

How much

Snow across the area
Another 2 to 4 inches

Map

Map of Illinois with this advisory The Winter Weather Advisory covers Schaumburg, Evanston, Arlington Heights. I-294I-355I-88I-290I-55SchaumburgEvanstonArlington HeightsPalatineILLINOISLake Michigan10 mi I-294I-355I-55US 20SchaumburgEvanstonArlington HeightsILLINOISLake Michigan10 mi I-294I-355I-55SchaumburgEvanstonArlington HeightsILLINOISLake Michigan20 mi I-355I-290SchaumburgILLINOISLake Michigan20 mi
  • This advisory
  • Interstates
  • US highways
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
Lake effect snow expected. Additional snow accumulations between 2 and 4 inches along the Cook County shore to 1 inch or less along and west of the Interstate 294 corridor. Localized totals over 4 inches possible along the shore.
Where
Central Cook, Northern Cook, and Southern Cook Counties.
When
Until 4 in the afternoon this afternoon.
Impacts
Roads, and especially bridges and overpasses, will likely become slick and hazardous.
Additional details
A main lake effect snow band is expected to move over the area prior to sunrise, then settle along the Cook County shore, including downtown Chicago, through the day. Though the intensity of snow will gradually diminish through the day, localized snowfall rates over 1 inch per hour are expected this morning.

Updates

  1. Cancelled by the National Weather Service. January 31, 2026
  2. Reissued with no change to the times or amounts. January 31, 2026
  3. Area expanded. Ended for part of the area. January 30, 2026
  4. Area expanded. January 30, 2026
  5. Extended to Saturday, 4 in the afternoon. Area expanded. Now also replaces the Winter Storm Watch. January 30, 2026
  6. Reissued with no change to the times or amounts. January 30, 2026
  7. Winter Weather Advisory issued for Friday evening through Saturday afternoon. January 30, 2026