Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
357 PM CDT Sat Jun 13 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-142100-
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-
357 PM CDT Sat Jun 13 2026 /457 PM EDT Sat Jun 13 2026/

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

.DAY ONE...Tonight.

Weather hazards expected...

  Limited Thunderstorm Risk...with an associated:
     Level 1 of 5 Damaging Wind Risk...up to 60 mph.
     Level 1 of 5 Large Hail Risk...up to quarter size.
  Limited Flooding Risk.

DISCUSSION...

Scattered thunderstorms are possible this evening and a few may
become severe with a threat for locally damaging wind gusts and
hail.


.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Sunday...
  High Swim Risk Indiana Lake Michigan Beaches.
Tuesday...
  Limited Thunderstorm Risk.
Wednesday...
  Limited Flooding Risk.
  Elevated Thunderstorm Risk...with an associated:
     Level 2 of 5 Severe Thunderstorm Risk.
  Limited Non Thunderstorm Wind Risk.
  High Swim Risk Lake Michigan Beaches.
Thursday...
  Limited Thunderstorm Risk.


.SPOTTER INFORMATION STATEMENT...

  Spotters may be needed this evening.

GENERAL STORM MOTION OF THE DAY:

Moving toward the east at 40 mph.


$$

Flood Advisory
National Weather Service Chicago IL
134 AM CDT Sun Jun 14 2026

ILC031-197-INC089-141000-
/O.NEW.KLOT.FA.Y.0041.260614T0634Z-260614T1000Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cook IL-Will IL-Lake IN IN-
134 AM CDT Sun Jun 14 2026

...FLOOD ADVISORY IN EFFECT UNTIL 5 AM CDT EARLY THIS MORNING...

* WHAT...Minor flooding caused by thunderstorms producing torrential
  downpours is expected.

* WHERE...Portions of northeast Illinois, including the following
  counties, Cook and Will and northwest Indiana, including the
  following county, Lake IN.

* WHEN...Until 500 AM CDT.

* IMPACTS...Creeks and streams may rise out of their banks.

* ADDITIONAL DETAILS...
  - At 134 AM CDT, Doppler radar indicated heavy rain due to
    thunderstorms.
  - Additional rainfall amounts locally up to 2 inches are
    expected over the area. This additional rain will result in
    minor flooding.
  - Some locations that will experience flooding include...
    Merrillville, Chicago Heights, Schererville, Hobart, Lansing,
    Crown Point, Highland, Munster, Park Forest, Homewood, Cedar
    Lake, Steger, Griffith, Dyer, St. John, Sauk Village,
    Flossmoor, Lynwood, Glenwood and Crete.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Advisory means minor flooding along waterways and other poor
drainage areas is imminent or may already be occurring. Persons in
the advisory area should use caution and avoid flood waters.

&&

LAT...LON 4154 8768 4154 8752 4150 8722 4149 8722
      4147 8722 4145 8722 4143 8722 4142 8722
      4141 8722 4139 8722 4138 8722 4138 8753
      4138 8768 4152 8768


$$

- Izzi

Flood Advisory
National Weather Service Chicago IL
1256 AM CDT Sun Jun 14 2026

ILC031-043-140800-
/O.CON.KLOT.FA.Y.0040.000000T0000Z-260614T0800Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cook IL-DuPage IL-
1256 AM CDT Sun Jun 14 2026

...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 3 AM CDT EARLY THIS
MORNING...

* WHAT...Minor flooding caused by excessive rainfall continues.

* WHERE...A portion of northeast Illinois, including the following
  counties, Cook and DuPage.

* WHEN...Until 300 AM CDT.

* IMPACTS...Creeks and streams may rise out of their banks.

* ADDITIONAL DETAILS...
  - At 1256 AM CDT, Doppler radar indicated that the heavy
    rainfall has ended and the thunderstorms have moved out of
    the advisory area. However, 1 to 2 inches of rain fell across
    portions of the advisory area and will likely continue to
    result in some flooding of low lying and flood prone areas.
  - Some locations that will experience flooding include...
    Chicago, Cicero, Hammond, Oak Lawn, Berwyn, Wheaton, Oak
    Park, Downers Grove, Elmhurst, Lombard, Calumet City,
    Addison, Glendale Heights, Midway Airport, Chicago Lawn,
    South Lawndale, Austin, Englewood, Bridgeport and Roseland.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Advisory means minor flooding along waterways and other poor
drainage areas is imminent or may already be occurring. Persons in
the advisory area should use caution and avoid flood waters.

&&

LAT...LON 4194 8806 4183 8759 4177 8755 4176 8752
      4154 8752 4181 8810


$$

- Izzi

Hazard Report Provided By forecast.weather.gov