Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
429 AM CDT Fri May 15 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-160930-
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-
429 AM CDT Fri May 15 2026 /529 AM EDT Fri May 15 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...

  Limited Thunderstorm Risk...with an associated:
     Level 2 of 5 Damaging Wind Risk...up to 60 mph.
     Level 1 of 5 Large Hail Risk...up to quarter size.

DISCUSSION...

A line of strong to severe thunderstorms is expected to develop
across portions of western Wisconsin and Iowa this evening, and
move east across northern Illinois and northwest Indiana after
midnight. While storms are expected to be in a gradually weakening
mode, a few strong to severe storms with wind gusts to 60 mph and
hail to quarter size are possible especially west of the Fox
River Valley in northern Illinois. Gusty winds will remain
possible farther to the east, but storms should gradually weaken
with eastern extent overnight.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Saturday night and early Sunday...
  Limited Thunderstorm Risk...with an associated:
     Level 1 of 5 Severe Thunderstorm Risk.
Monday and Tuesday...
  Elevated Thunderstorm Risk...with an associated:
     Level 2 of 5 Severe Thunderstorm Risk.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the east-southeast at 35 to 40  mph.

$$

Hazard Report Provided By forecast.weather.gov