539
WWUS43 KLOT 300902
WSWLOT
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
302 AM CST FRI JAN 30 2026
INZ001-002-302000-
/O.CON.KLOT.WS.W.0003.260130T2100Z-260201T0000Z/
LAKE IN-PORTER-
INCLUDING THE CITIES OF VALPARAISO, GARY, MERRILLVILLE,
CHESTERTON, HAMMOND, AND PORTAGE
302 AM CST FRI JAN 30 2026
...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON
TO 6 PM CST SATURDAY...
* WHAT...HEAVY LAKE EFFECT SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS
OVER 6 INCHES EXPECTED, MAINLY NEAR AND NORTH OF US ROUTE 30.
ISOLATED TOTALS UP TO ONE FOOT ARE POSSIBLE.
* WHERE...LAKE IN AND PORTER COUNTIES.
* WHEN...FROM 3 PM THIS AFTERNOON TO 6 PM CST SATURDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT TO NEARLY IMPOSSIBLE AT
TIMES NORTH OF U.S. ROUTE 30 WITH NEAR WHITE OUT CONDITIONS AND
SNOWFALL RATES OF 2 OR MORE INCHES PER HOUR UNDER THE MOST INTENSE
PORTIONS OF THE BAND THIS EVENING INTO SATURDAY MORNING.
* ADDITIONAL DETAILS...THE MAIN WINDOW FOR THE HEAVIEST SNOWFALL IS
EXPECTED THIS EVENING THROUGH SATURDAY MORNING. SOME BREAKS IN THE
SNOWFALL ARE POSSIBLE AS THE SNOW BAND SHIFTS BACK AND FORTH OVER
THE AREA.
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.
IF YOU MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN
YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS FOR
INDIANA CAN BE OBTAINED AT HTTPS://511IN.ORG.
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
ILZ108-302000-
/O.NEW.KLOT.WW.Y.0007.260131T0000Z-260131T1800Z/
EASTERN WILL-
INCLUDING THE CITIES OF PEOTONE, BEECHER, AND CRETE
302 AM CST FRI JAN 30 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON
CST SATURDAY...
* WHAT...LAKE EFFECT SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS IN
EXCESS OF 3 INCHES NEAR THE INDIANA STATE LINE TO AROUND 1 INCH
WEST OF I-57.
* WHERE...EASTERN WILL COUNTY.
* WHEN...FROM 6 PM THIS EVENING TO NOON CST SATURDAY.
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS.
* ADDITIONAL DETAILS...AN INTENSE LAKE EFFECT SNOW BAND MAY SETTLE
NEAR THE STATE LINE LATE TONIGHT INTO SATURDAY MORNING AND BRING
SNOWFALL RATES OVER 1 INCH PER HOUR FOR SEVERAL HOURS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD
CONDITIONS FOR ILLINOIS CAN BE OBTAINED AT
WWW.GETTINGAROUNDILLINOIS.COM.
ILZ104-105-302000-
/O.EXT.KLOT.WW.Y.0006.260130T1500Z-260131T0000Z/
/O.EXT.KLOT.WS.A.0001.260131T0000Z-260131T1800Z/
CENTRAL COOK-SOUTHERN COOK-
INCLUDING THE CITIES OF PARK FOREST, OAK LAWN, CALUMET CITY,
CHICAGO, OAK PARK, CICERO, OAK FOREST, LA GRANGE, ORLAND PARK,
AND LEMONT
302 AM CST FRI JAN 30 2026
...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 9 AM THIS MORNING TO 6
PM CST THIS EVENING...
...WINTER STORM WATCH NOW IN EFFECT FROM THIS EVENING THROUGH
SATURDAY MORNING...
* WHAT...FOR THE WINTER WEATHER ADVISORY, PERIODS OF SNOW EXPECTED
THROUGH THE DAY. A QUICK 1 TO 3 INCHES OF ACCUMULATION IS EXPECTED
WITHIN A FEW HOUR PERIOD THIS MORNING. FOR THE WINTER STORM WATCH,
HEAVY LAKE EFFECT SNOW POSSIBLE, FIRST OVER A SHORT PERIOD THIS
EVENING, THEN AGAIN LATE TONIGHT THROUGH SATURDAY MORNING. SNOW
ACCUMULATIONS OF 6 OR MORE INCHES ARE POSSIBLE, MAINLY EAST OF THE
DAN RYAN AND I-57.
* WHERE...CENTRAL COOK AND SOUTHERN COOK COUNTIES.
* WHEN...FOR THE WINTER WEATHER ADVISORY, FROM 9 AM THIS MORNING TO
6 PM CST THIS EVENING. FOR THE WINTER STORM WATCH, FROM THIS
EVENING THROUGH SATURDAY MORNING.
* IMPACTS...TRAVEL WILL LIKELY BECOME HAZARDOUS AS ROADS BECOME SNOW
COVERED DURING THE MID TO LATE MORNING AND AGAIN THIS EVENING,
POSSIBLY AFFECTING THE EVENING COMMUTE.
* ADDITIONAL DETAILS...A BURST OF ACCUMULATING SNOW IS EXPECTED MID
TO LATE MORNING AND MAY BRIEFLY FALL AT A RATE OF UP TO AN INCH
PER HOUR, MAKING FOR HAZARDOUS TRAVEL CONDITIONS. A SECOND ROUND
OF LAKE EFFECT SNOW WILL BRING A BRIEF PERIOD OF SNOWFALL RATES UP
TO 2 INCHES PER HOUR EARLY TO MID-EVENING. FINALLY, A LAKE EFFECT
SNOW BAND MAY SHIFT WESTWARD ALONG THE STATE LINE AND BRING A
PERIOD OF HEAVY LAKE EFFECT SNOW FOR SEVERAL HOURS SATURDAY
MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD
CONDITIONS FOR ILLINOIS CAN BE OBTAINED AT
WWW.GETTINGAROUNDILLINOIS.COM.
DURING LAKE EFFECT SNOW, THE WEATHER CAN VARY FROM BANDS OF LOCALLY
HEAVY SNOW TO DRY WEATHER JUST A FEW MILES AWAY. VISIBILITIES CAN
ALSO VARY GREATLY. BE PREPARED FOR RAPID CHANGES IN WEATHER,
VISIBILITY, AND ROAD CONDITIONS.
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS SITUATION.
ILZ006-013-103-302000-
/O.EXT.KLOT.WW.Y.0006.260130T1500Z-260131T0000Z/
LAKE IL-DUPAGE-NORTHERN COOK-
INCLUDING THE CITIES OF PALATINE, NORTHBROOK, WHEATON, GURNEE,
WAUKEGAN, LOMBARD, CAROL STREAM, BUFFALO GROVE, MUNDELEIN, DES
PLAINES, SCHAUMBURG, NAPERVILLE, EVANSTON, AND DOWNERS GROVE
302 AM CST FRI JAN 30 2026
...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 9 AM THIS MORNING TO 6
PM CST THIS EVENING...
* WHAT...SNOW EXPECTED, POSSIBLY FALLING HEAVILY AT TIMES. A QUICK 1
TO 3 INCHES OF ACCUMULATION IS EXPECTED WITHIN JUST A 2 OR 3 HOUR
PERIOD. LOCALLY HIGHER AMOUNTS POSSIBLE WITH LAKE-ENHANCED SNOW
OVER LAKE COUNTY.
* WHERE...DUPAGE, LAKE IL, AND NORTHERN COOK COUNTIES.
* WHEN...FROM 9 AM THIS MORNING TO 6 PM CST THIS EVENING.
* IMPACTS...ROADS, BRIDGES AND OVERPASSES WILL LIKELY BECOME SLICK
AND HAZARDOUS. PLAN ON SLIPPERY ROAD CONDITIONS. THE HAZARDOUS
CONDITIONS COULD IMPACT THE EVENING COMMUTE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD
CONDITIONS FOR ILLINOIS CAN BE OBTAINED AT
WWW.GETTINGAROUNDILLINOIS.COM.
DURING LAKE EFFECT SNOW, THE WEATHER CAN VARY FROM BANDS OF LOCALLY
HEAVY SNOW TO DRY WEATHER JUST A FEW MILES AWAY. VISIBILITIES CAN
ALSO VARY GREATLY. BE PREPARED FOR RAPID CHANGES IN WEATHER,
VISIBILITY, AND ROAD CONDITIONS.
KLUBER
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