Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1134 AM CDT Thu Apr 16 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-171645-
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-
1134 AM CDT Thu Apr 16 2026 /1234 PM EDT Thu Apr 16 2026/

This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.

.DAY ONE...This Afternoon and Tonight.

Weather hazards expected...

  Limited Thunderstorm Risk.
  Limited Fog Risk.

DISCUSSION...

An isolated thunderstorm or two is possible through early to
mid afternoon. No severe weather is expected.

Some dense fog is possible tonight, 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.
Late Saturday night into Sunday morning...
  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 east at 25 mph.

$$

Flood Statement
National Weather Service Chicago IL
1211 PM CDT Thu Apr 16 2026

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

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

  Des Plaines River near Des Plaines affecting Cook County.

  Des Plaines River near Russell affecting Lake IL County.

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

  Des Plaines River near Gurnee affecting Lake IL County.

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 late tonight.

&&

ILC031-171015-
/O.EXT.KLOT.FL.W.0019.000000T0000Z-000000T0000Z/
/DSPI2.1.ER.260415T1630Z.260418T1800Z.000000T0000Z.NO/
1211 PM CDT Thu Apr 16 2026

...FLOOD WARNING NOW IN EFFECT UNTIL FURTHER NOTICE...

* 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 further notice.

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

* ADDITIONAL DETAILS...
  - At 11:45 AM CDT Thursday the stage was 15.8 feet.
  - Forecast...The river is expected to crest of near 17.0 feet
    early on Saturday.
  - 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
1211 PM CDT Thu Apr 16 2026

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

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

  Des Plaines River near Des Plaines affecting Cook County.

  Des Plaines River near Russell affecting Lake IL County.

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

  Des Plaines River near Gurnee affecting Lake IL County.

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 late tonight.

&&

ILC031-097-171015-
/O.EXT.KLOT.FL.W.0020.000000T0000Z-000000T0000Z/
/LDRI2.2.ER.260416T0400Z.260418T0600Z.000000T0000Z.NO/
1211 PM CDT Thu Apr 16 2026

...FLOOD WARNING NOW IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Minor flooding is occurring and 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 further notice.

* IMPACTS...At 14.0 feet, Residences threatened east of the river
  just south of IL-22 (Half-Day Road). Lincolnshire Drive threatened
  at Wiltshire Lane.
  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 10:45 AM CDT Thursday the stage was 13.1 feet.
  - Forecast...The river expected to crest near 14.5 feet on
    Friday.
  - Flood stage is 12.5 feet.
  - Flood History...This crest compares to a previous crest of
    14.4 feet on 05/01/2020.
  - http://www.weather.gov/safety/flood

&&

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


$$

Hazard Report Provided By forecast.weather.gov