Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1248 PM CDT Mon Apr 27 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-281800-
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-
1248 PM CDT Mon Apr 27 2026 /148 PM EDT Mon Apr 27 2026/

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

.DAY ONE...This Afternoon and Tonight.

Weather hazards expected...

  Elevated Thunderstorm Risk...with an associated:
     Level 2 of 5 Damaging Wind Risk...up to 70 mph.
     Level 2 of 5 Large Hail Risk...up to quarter size.
     Level 2 of 5 Tornado Risk mainly south of I-80.
     Elevated Flooding Risk.
  Elevated Non Thunderstorm Wind Risk this afternoon.

DISCUSSION...

Strong non-thunderstorm winds will gust up to 50 mph from the
southeast through mid afternoon, with brief localized gusts up to
60 mph.

Thunderstorms are expected to redevelop ahead of a cold front late
this afternoon into this evening. Some of these may be severe with
damaging winds and hail, particularly south of I-80.

Heavy rainfall may lead to localized flooding and possible
renewed rises on area rivers.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Friday Night into Saturday morning...
  Limited Frost Risk.

.SPOTTER INFORMATION STATEMENT...

  Spotters reports will be needed into this evening.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the east northeast at 50 mph.

$$

URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
1250 PM CDT Mon Apr 27 2026

ILZ003-004-008-010-019>021-023-105>108-INZ001-002-272100-
/O.CON.KLOT.WI.Y.0007.000000T0000Z-260427T2100Z/
Winnebago-Boone-Ogle-Lee-La Salle-Kendall-Grundy-Kankakee-
Southern Cook-Northern Will-Southern Will-Eastern Will-Lake IN-
Porter-
Including the cities of Plano, Streator, Oswego, Beecher, Morris,
Oak Forest, Valparaiso, Coal City, Bourbonnais, Crete, Belvidere,
Bradley, Manhattan, Lemont, Yorkville, Dixon, La Salle, Hammond,
Portage, Park Forest, Minooka, Wilmington, Peotone, Orland Park,
Oregon, Merrillville, Ottawa, Rochelle, Byron, Calumet City,
Plainfield, Kankakee, Mokena, Gary, Bolingbrook, Marseilles,
Mendota, Joliet, Chesterton, Channahon, and Rockford
1250 PM CDT Mon Apr 27 2026

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

* WHAT...Southeast to south winds 20 to 25 mph with gusts up to 50
  mph.

* WHERE...Portions of north central and northeast Illinois and
  northwest Indiana.

* WHEN...Until 4 PM CDT this afternoon.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

&&

$$

Carlaw

Hazard Report Provided By forecast.weather.gov