iNWS Alert

ILZ104-105-310130-
/O.UPG.KLOT.WW.Y.0006.000000T0000Z-260131T0000Z/
/O.EXB.KLOT.WS.W.0003.260130T1519Z-260131T0600Z/
/O.EXT.KLOT.WS.A.0001.260131T0600Z-260131T1800Z/
Central Cook-Southern Cook-
Including the cities of Oak Park, Orland Park, Calumet City,
Lemont, Cicero, Oak Forest, Chicago, Oak Lawn, La Grange, and
Park Forest
919 AM CST Fri Jan 30 2026

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...WINTER STORM WATCH NOW IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING...

* WHAT...For the Winter Storm Warning, heavy lake effect snow. Snow
accumulations locally in excess of 6 inches, particularly in areas
near the lake. For the Winter Storm Watch, heavy lake effect snow
possible, with additional accumulations possible into Saturday
morning.

* WHERE...Central Cook and Southern Cook Counties.

* WHEN...For the Winter Storm Warning, until midnight CST tonight.
For the Winter Storm Watch, from late tonight through Saturday
morning.

* IMPACTS...Travel could be very difficult at times, with near white
out conditions and snowfall rates of 1 to 2 inches per hour under
the most intense portions of the band through this evening.

* ADDITIONAL DETAILS...A burst of accumulating snow is expected
through early afternoon, with rates of 1 to 2 inches per hour at
times. This will make for hazardous travel conditions. While a
short break in the heavy snow is possible for a period this
afternoon, a second round of intense lake effect snow is expected
to bring at least a few hour period of snowfall rates up to 2
inches per hour this evening. Finally, the lake effect snow band
may shift back westward along the state line and bring another
period of heavy lake effect snow for several hours Saturday
morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

During lake effect snow, the weather can vary from near white out
conditions in very heavy snow to dry weather just a few miles away.
Be prepared for rapid changes in weather, visibility, and road
conditions.

Monitor the latest forecasts for updates on this situation.

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