221
WWUS43 KLOT 311741
WSWLOT

URGENT - WINTER WEATHER MESSAGE
National Weather Service Chicago IL
1141 AM CST Sat Jan 31 2026

ILZ103>105-311845-
/O.CAN.KLOT.WW.Y.0007.000000T0000Z-260131T2200Z/
Northern Cook-Central Cook-Southern Cook-
Including the cities of Oak Lawn, Cicero, Oak Park, Calumet City,
Orland Park, Schaumburg, Palatine, Chicago, Park Forest,
Northbrook, Oak Forest, Des Plaines, Lemont, Evanston, and La
Grange
1141 AM CST Sat Jan 31 2026

...WINTER WEATHER ADVISORY IS CANCELLED...

Light lake effect snow showers will continue this afternoon. Some
localized areas near the lake may have some accumulation up to an
inch, but most areas will see little to no additional accumulation.

$$

ILZ108-311845-
/O.CAN.KLOT.WW.Y.0008.000000T0000Z-260131T2200Z/
Eastern Will-
Including the cities of Beecher, Peotone, and Crete
1141 AM CST Sat Jan 31 2026

...WINTER WEATHER ADVISORY IS CANCELLED...

Light lake effect snow showers will continue this afternoon. Some
localized areas near the lake may have some accumulation up to an
inch, but most areas will see little to no additional accumulation.

$$

INZ001-311845-
/O.CAN.KLOT.WW.Y.0007.000000T0000Z-260201T0000Z/
Lake IN-
Including the cities of Gary, Hammond, and Merrillville
1141 AM CST Sat Jan 31 2026

...WINTER WEATHER ADVISORY IS CANCELLED...

Light lake effect snow showers will continue this afternoon. Some
localized areas near the lake may have some accumulation up to an
inch, but most areas will see little to no additional accumulation.

$$

INZ002-311845-
/O.CAN.KLOT.WW.Y.0007.000000T0000Z-260131T1800Z/
Porter-
Including the cities of Chesterton, Portage, and Valparaiso
1141 AM CST Sat Jan 31 2026

...WINTER WEATHER ADVISORY IS CANCELLED...

The threat of accumulating lake effect snow has ended.

$$

Birk