Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
308 AM CDT Thu Apr 16 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-170815-
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-
308 AM CDT Thu Apr 16 2026 /408 AM EDT Thu Apr 16 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.
  Limited Fog Risk Tonight.

DISCUSSION...

Any isolated non-severe thunderstorms through early to mid
afternoon may produce locally heavy downpours, mainly north of
Interstate 80.

The potential exists for some dense fog this evening and
overnight, particularly closer to Lake Michigan.

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

Friday...
  Elevated Thunderstorm Risk...with an associated:
     Level 3 of 5 Severe Thunderstorm Risk.
  Elevated Flooding Risk.
Sunday...
  Elevated Frost and Freeze Risk.

DISCUSSION...

A line of thunderstorms is expected to move across the area late
Friday afternoon through Friday night, some of which could be
severe, especially near and west of Interstate-39.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the northeast at 30 mph early this morning then
  moving toward the east southeast.

$$

Flood Statement
National Weather Service Chicago IL
1010 PM CDT Wed Apr 15 2026

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

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

  Des Plaines River near Des Plaines affecting Cook County.

  Des Plaines River near Russell affecting Lake IL County.

  Des Plaines River near Gurnee affecting Lake IL County.

For the Des Plaines River...including Russell, Gurnee, Lincolnshire,
Des Plaines...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.

&&

ILC031-162115-
/O.EXT.KLOT.FL.W.0019.000000T0000Z-260421T2100Z/
/DSPI2.1.ER.260415T1630Z.260417T1200Z.260421T1500Z.NO/
1010 PM CDT Wed Apr 15 2026

...FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY AFTERNOON...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Des Plaines River from Palatine Road in Prospect Heights
  downstream to Irving Park Road in Chicago, including the Des
  Plaines gauge.

* WHEN...Until Tuesday afternoon.

* IMPACTS...At 17.0 feet, Central Road and Golf Road are threatened
  in Des Plaines.

* ADDITIONAL DETAILS...
  - At 9:45 PM CDT Wednesday the stage was 15.2 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 9:45 PM CDT Wednesday was 15.2 feet.
  - Forecast...The river is expected to rise to a crest of 17.0
    feet Friday morning.
  - Flood stage is 15.0 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4212 8794 4212 8784 4197 8780 4196 8790


$$

Flood Statement
National Weather Service Chicago IL
1010 PM CDT Wed Apr 15 2026

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

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

  Des Plaines River near Des Plaines affecting Cook County.

  Des Plaines River near Russell affecting Lake IL County.

  Des Plaines River near Gurnee affecting Lake IL County.

For the Des Plaines River...including Russell, Gurnee, Lincolnshire,
Des Plaines...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.

&&

ILC031-097-162115-
/O.EXT.KLOT.FL.W.0020.000000T0000Z-260422T0000Z/
/LDRI2.2.ER.260416T0340Z.260417T1800Z.260421T1800Z.NO/
1010 PM CDT Wed Apr 15 2026

...FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY EVENING...

* WHAT...Moderate flooding is forecast.

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

* WHEN...Until Tuesday evening.

* IMPACTS...At 15.0 feet, Structures threatened along IL-22
  (Half-Day Road) just east of the river. Multiple structures
  threatened near and west of US-45 (Milwaukee Avenue) and Deerfield
  Road. Deerfield Road threatened near the river. Multiple trails
  inundated in Half-Day Forest Preserve.

* ADDITIONAL DETAILS...
  - At 9:45 PM CDT Wednesday the stage was 12.4 feet.
  - Forecast...The river will rise above flood stage late this
    evening to 14.6 feet early Friday afternoon.
  - 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