Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
422 AM CDT Thu Apr 9 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-100930-
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-
422 AM CDT Thu Apr 9 2026 /522 AM EDT Thu Apr 9 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 this afternoon and tonight.
  Limited Flooding Risk tonight.

DISCUSSION...

A cold front will settle across the area today, becoming
stationary near the U.S. Highway 24 corridor this afternoon.
An isolated thunderstorm is possible along the front this
afternoon. No severe weather is expected.

Showers and scattered thunderstorms will overspread the area
tonight. Locally heavy rainfall is possible, which may
result in rainfall amounts of an inch or more in spots by
morning. This may result in new rises and some flooding on
area rivers and creeks.

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

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

DISCUSSION...

A warmer and more active weather pattern will develop
later this weekend into early next week. Several rounds
of showers and thunderstorms are possible, with the
pattern favorable for some strong to severe storms
at times.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the east-southeast at 25 to 30 mph.

$$

Flood Statement
National Weather Service Chicago IL
909 PM CDT Wed Apr 8 2026

...The Flood Warning is extended for the following rivers in
Illinois...

  Fox River at Algonquin Lock & Dam tailwater affecting McHenry,
  Kane and Lake IL Counties.

  Des Plaines River near Gurnee affecting Lake IL County.

  Des Plaines River near Russell affecting Lake IL County.

  Des Plaines River at Lincolnshire affecting Lake IL and Cook
  Counties.

...The Flood Warning continues for the following rivers in Indiana...

  Kankakee River at Dunns Bridge affecting Jasper and Porter
  Counties.

  Kankakee River at Shelby affecting Newton and Lake IN Counties.

For the Kankakee River at Shelby...Moderate flooding is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Warning means water levels above flood stage are imminent or
may already be occurring. Persons along rivers and streams in the
warned area should take immediate precautions to protect life and
property.

These forecasts are based on observed precipitation as well as
forecast precipitation 24 hours into the future. Changes to the
rainfall forecast, or any additional rainfall after 24 hours, may
cause changes to these river forecasts.

Additional information is available at www.weather.gov.

The next statement will be issued by Thursday afternoon.

&&

ILC031-097-092015-
/O.EXT.KLOT.FL.W.0015.260409T1800Z-260410T0600Z/
/LDRI2.1.ER.260409T1800Z.260409T1800Z.260410T0000Z.NO/
909 PM CDT Wed Apr 8 2026

...FLOOD WARNING NOW IN EFFECT FROM THURSDAY AFTERNOON TO EARLY
FRIDAY MORNING...

* WHAT...Minor flooding is forecast.

* WHERE...Des Plaines River from Townline Road in Libertyville
  downstream to Palatine Road in Prospect Heights, including the
  Lincolnshire gauge.

* WHEN...From Thursday afternoon to early Friday morning.

* IMPACTS...At 13.0 feet, Low-lying trails in Wright Woods Forest
  Preserve are inundated.

* ADDITIONAL DETAILS...
  - At 7:45 PM CDT Wednesday the stage was 12.3 feet.
  - Forecast...The river is expected to rise to a crest of 12.5
    feet early Thursday afternoon. It will then fall below flood
    stage Thursday evening.
  - Flood stage is 12.5 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4224 8797 4224 8788 4212 8784 4212 8794


$$

Hazard Report Provided By forecast.weather.gov