Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
348 AM CST Thu Jan 22 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-231000-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
348 AM CST Thu Jan 22 2026 /448 AM EST Thu Jan 22 2026/

This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Significant Excessive Cold Risk Tonight.

DISCUSSION...

Dangerously cold conditions are expected tonight with wind
chills between 20 and 40 below zero.

Extensive ice cover on area rivers may cause localized ice jam
flooding.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Friday...
  Significant Excessive Cold Risk.
Saturday...
  Elevated Excessive Cold Risk.
  Limited Snow Risk.
Sunday...
  Limited Excessive Cold Risk.
  Limited Snow Risk.
Monday through Wednesday...
  Limited Excessive Cold Risk.

DISCUSSION...

Dangerously cold conditions will continue through Saturday.

Accumulating snow is becoming more likely Saturday night into
Sunday though there is still uncertainty with this system.

Extensive ice cover on area rivers may cause localized ice jam
flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be necessary through tonight.

$$

URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
1124 AM CST Thu Jan 22 2026

ILZ003>006-008-010>013-019>021-023-032-103-105>108-230330-
/O.CON.KLOT.EC.W.0001.260123T0900Z-260123T1800Z/
/O.CON.KLOT.CW.Y.0002.260123T1800Z-260124T1500Z/
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-La
Salle-Kendall-Grundy-Kankakee-Livingston-Northern Cook-Southern
Cook-Northern Will-Southern Will-Eastern Will-
Including the cities of Rockford, Byron, Orland Park, Dwight,
Kankakee, Lombard, Lemont, Bolingbrook, Fairbury, Waukegan,
Oregon, Elgin, Des Plaines, McHenry, Palatine, Park Forest,
Pontiac, Rochelle, Yorkville, Buffalo Grove, Morris, Crystal
Lake, Belvidere, Oswego, DeKalb, Crete, Mendota, Wilmington,
Channahon, Naperville, Woodstock, Calumet City, Plano, Beecher,
Coal City, Mokena, Ottawa, Algonquin, Carol Stream, Gurnee, Oak
Forest, Joliet, Sycamore, Peotone, Manhattan, Downers Grove,
Minooka, Marseilles, Aurora, Bourbonnais, Streator, Mundelein,
Bradley, Plainfield, Northbrook, Dixon, Evanston, Schaumburg,
Wheaton, and La Salle
1124 AM CST Thu Jan 22 2026

...EXTREME COLD WARNING REMAINS IN EFFECT FROM 3 AM TO NOON CST
FRIDAY...
...COLD WEATHER ADVISORY REMAINS IN EFFECT FROM NOON FRIDAY TO 9 AM
CST SATURDAY...

* WHAT...For the Extreme Cold Warning, dangerously cold wind chills
  as low as 30 to 40 below zero expected. For the Cold Weather
  Advisory, very cold wind chills as low as 15 to 30 below expected.

* WHERE...Portions of central, north central, and northeast Illinois.

* WHEN...For the Extreme Cold Warning, from 3 AM to noon CST Friday.
  For the Cold Weather Advisory, from noon Friday to 9 AM CST
  Saturday.

* IMPACTS...Dangerously cold wind chills could cause frostbite on
  exposed skin in as little as 10 minutes.

* ADDITIONAL DETAILS...Coldest wind chills are expected across
  interior portions of northern Illinois.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Dress in layers including a hat, face mask, and gloves if you must
go outside.

To prevent water pipes from freezing; wrap or drain or allow them to
drip slowly.

Keep pets indoors as much as possible.

Make frequent checks on older family, friends, and neighbors.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
1124 AM CST Thu Jan 22 2026

ILZ003>006-008-010>013-019>021-023-032-103-105>108-230330-
/O.CON.KLOT.EC.W.0001.260123T0900Z-260123T1800Z/
/O.CON.KLOT.CW.Y.0002.260123T1800Z-260124T1500Z/
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-La
Salle-Kendall-Grundy-Kankakee-Livingston-Northern Cook-Southern
Cook-Northern Will-Southern Will-Eastern Will-
Including the cities of Rockford, Byron, Orland Park, Dwight,
Kankakee, Lombard, Lemont, Bolingbrook, Fairbury, Waukegan,
Oregon, Elgin, Des Plaines, McHenry, Palatine, Park Forest,
Pontiac, Rochelle, Yorkville, Buffalo Grove, Morris, Crystal
Lake, Belvidere, Oswego, DeKalb, Crete, Mendota, Wilmington,
Channahon, Naperville, Woodstock, Calumet City, Plano, Beecher,
Coal City, Mokena, Ottawa, Algonquin, Carol Stream, Gurnee, Oak
Forest, Joliet, Sycamore, Peotone, Manhattan, Downers Grove,
Minooka, Marseilles, Aurora, Bourbonnais, Streator, Mundelein,
Bradley, Plainfield, Northbrook, Dixon, Evanston, Schaumburg,
Wheaton, and La Salle
1124 AM CST Thu Jan 22 2026

...EXTREME COLD WARNING REMAINS IN EFFECT FROM 3 AM TO NOON CST
FRIDAY...
...COLD WEATHER ADVISORY REMAINS IN EFFECT FROM NOON FRIDAY TO 9 AM
CST SATURDAY...

* WHAT...For the Extreme Cold Warning, dangerously cold wind chills
  as low as 30 to 40 below zero expected. For the Cold Weather
  Advisory, very cold wind chills as low as 15 to 30 below expected.

* WHERE...Portions of central, north central, and northeast Illinois.

* WHEN...For the Extreme Cold Warning, from 3 AM to noon CST Friday.
  For the Cold Weather Advisory, from noon Friday to 9 AM CST
  Saturday.

* IMPACTS...Dangerously cold wind chills could cause frostbite on
  exposed skin in as little as 10 minutes.

* ADDITIONAL DETAILS...Coldest wind chills are expected across
  interior portions of northern Illinois.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Dress in layers including a hat, face mask, and gloves if you must
go outside.

To prevent water pipes from freezing; wrap or drain or allow them to
drip slowly.

Keep pets indoors as much as possible.

Make frequent checks on older family, friends, and neighbors.

&&

$$

Hazard Report Provided By forecast.weather.gov