Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
341 AM CDT Thu Mar 26 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-270845-
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-
341 AM CDT Thu Mar 26 2026 /441 AM EDT Thu Mar 26 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 Thunderstorm Risk...with an associated:
     Level 3 of 5 Large Hail Risk...possibly over 2 inches in diameter.
     Level 3 of 5 Damaging Wind Risk...up to 60 mph.
  Limited Flooding Risk well south of I-80.

DISCUSSION...

Thunderstorms are expected to develop along and behind a southward
surging cold this afternoon, continuing through at least early
evening south of the I-80 corridor. Conditions are favorable for
severe thunderstorms capable of producing large hail potentially
larger than 2 inches in diameter, as well as damaging winds in
excess of 60 mph. Additionally, the potential of repeated
thunderstorms moving over the same area south of the Kankakee
River Valley late afternoon through the evening may result in
some localized flooding.

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

Sunday afternoon...
  Elevated Fire Weather Risk.
Monday and Tuesday...
  Limited Thunderstorm Risk.

.SPOTTER INFORMATION STATEMENT...

  Spotters will likely be needed this afternoon and early evening.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the east at 50 to 60 mph.

$$

Hazard Report Provided By forecast.weather.gov