Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
402 AM CDT Fri Aug 14 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-150915-
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-
402 AM CDT Fri Aug 14 2026 /502 AM EDT Fri Aug 14 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 1 of 5 Damaging Wind Risk...up to 60 mph.
  Elevated Flooding Risk, mainly late tonight.

DISCUSSION...

Scattered showers and thunderstorms with localized torrential
rainfall will continue early this morning south of a Dixon to
Morris to Fowler line.

A low pressure system may bring periods of thunderstorms and very
heavy rain late tonight into Saturday. Localized damaging wind
is also possible with thunderstorms overnight, mainly southwest of
the Chicago metro and toward central Illinois.

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

Saturday...
  Elevated Flooding Risk.
  Limited Thunderstorm Risk...with an associated:
     Level 1 of 5 Severe Thunderstorm Risk.
  Limited Excessive Heat Risk east central Illinois.
Sunday...
  Limited Thunderstorm Risk...with an associated:
     Level 1 of 5 Severe Thunderstorm Risk.
Tuesday night and Wednesday...
  Limited Thunderstorm Risk.

DISCUSSION...

An active weather pattern is expected to persist into this
weekend, with periodic shower and thunderstorm chances. These
showers and storms will be capable of producing torrential
rainfall at times on Saturday, which could lead to flash
flooding. Isolated instances of damaging wind are also possible
with the strongest storms.

.SPOTTER INFORMATION STATEMENT...

  Spotters may not be needed, but any reports are appreciated.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the east at 30 mph.

$$

Hazard Report Provided By forecast.weather.gov