Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
425 AM CDT Sun Apr 12 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-130930-
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-
425 AM CDT Sun Apr 12 2026 /525 AM EDT Sun Apr 12 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 Non-Thunderstorm Wind Risk.

DISCUSSION...

A few non-severe thunderstorms may occur over the region today and
tonight.

Southwest winds will gust up to 40 to 45 mph this afternoon.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Monday Night...
  Limited Thunderstorm Risk...with an associated:
     Level 1 of 5 Severe Thunderstorm Risk north of I-80.
Tuesday and Wednesday...
  Elevated Thunderstorm Risk...with an associated:
     Level 2 of 5 Severe Thunderstorm Risk.
     Limited Flooding Risk.
Friday Night into Saturday...
  Limited Thunderstorm Risk.

DISCUSSION...

An unseasonably warm pattern through the workweek may be
accompanied by several rounds of showers and thunderstorms, some
of which could be strong to severe Monday night through Wednesday
night.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the northeast around 45 mph.

$$

Flood Statement
National Weather Service Chicago IL
924 PM CDT Sat Apr 11 2026

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

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

  Kankakee River at Dunns Bridge affecting Jasper and Porter
  Counties.

  Kankakee River at Shelby affecting Newton and Lake IN Counties.

...The Flood Warning is extended 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 Sunday afternoon.

&&

INC073-127-122030-
/O.CON.KLOT.FL.W.0011.000000T0000Z-260413T0300Z/
/DBRI3.1.ER.260404T1815Z.260408T0715Z.260412T2100Z.NO/
924 PM CDT Sat Apr 11 2026

...FLOOD WARNING REMAINS IN EFFECT UNTIL LATE SUNDAY EVENING...

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

* WHERE...Kankakee River from US-421 south of La Crosse downstream
  to IN-49 south of Kouts, including the Dunns Bridge gauge.

* WHEN...Until late Sunday evening.

* IMPACTS...At 10.0 feet, Low-lying agricultural land is inundated
  near the river.

* ADDITIONAL DETAILS...
  - At 9:00 PM CDT Saturday the stage was 10.6 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 9:00 PM CDT Saturday was 11.1 feet.
  - Forecast...The river is expected to fall below flood stage
    Sunday afternoon.
  - Flood stage is 10.0 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4128 8728 4132 8713 4129 8689 4121 8687
      4118 8697 4117 8725


$$

Hazard Report Provided By forecast.weather.gov