Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook...UPDATED
National Weather Service Chicago/Romeoville IL
721 PM CDT Sat Jul 4 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-060030-
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-
721 PM CDT Sat Jul 4 2026 /821 PM EDT Sat Jul 4 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.

DISCUSSION...

Isolated thunderstorms are possible. No severe weather is expected.

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

Sunday...
  Limited Thunderstorm Risk.
Wednesday through Friday...
  Limited Thunderstorm Risk at times.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be necessary through tonight.

GENERAL STORM MOTION OF THE DAY:

Moving toward the east at 30 mph.

$$

Flood Statement
National Weather Service Chicago IL
1101 PM CDT Sat Jul 4 2026

ILC031-037-089-093-099-103-197-INC089-127-051600-
/O.CON.KLOT.FA.W.0012.000000T0000Z-260705T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cook IL-De Kalb IL-Kane IL-Kendall IL-La Salle IL-Lee IL-Will IL-
Lake IN IN-Porter IN-
1101 PM CDT Sat Jul 4 2026

...FLOOD WARNING REMAINS IN EFFECT UNTIL 11 AM CDT SUNDAY...

* WHAT...Flooding caused by excessive rainfall continues.

* WHERE...Portions of Illinois, including the following counties,
  Cook, De Kalb, Kane, Kendall, La Salle, Lee and Will and northwest
  Indiana, including the following counties, Lake IN and Porter.

* WHEN...Until 1100 AM CDT Sunday.

* IMPACTS...Creeks and streams may rise out of their banks. Flooding
  may occur in poor drainage and urban areas. Roads and streets may
  be flooded. High water likely may recede slowly from flooded areas.

* ADDITIONAL DETAILS...
  - At 1058 PM CDT, local law enforcement, emergency dispatch
    centers, and highway departments reported flooding across the
    area. While heavy rainfall has ended, some flooding will be
    slow to recede. Some streams may continue to rise over the
    next few hours.
  - Some locations that will experience flooding include...
    Chicago, Aurora, Joliet, Naperville, Hammond, Gary,
    Bolingbrook, Orland Park, Tinley Park, Oak Lawn, Romeoville,
    Plainfield, Calumet City, Portage, Merrillville, Valparaiso,
    Oswego, Chicago Heights, Chicago Lawn and Roseland.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Warning means flooding is imminent or may already be
occurring. Persons along rivers, creeks, and other waterways should
take immediate precautions to protect life and property.

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 4185 8889 4178 8836 4167 8835 4171 8825
      4162 8814 4171 8778 4178 8776 4180 8758
      4170 8749 4164 8736 4164 8719 4172 8693
      4140 8694 4131 8766 4155 8801 4154 8888
      4170 8897


$$

Carlaw


403
WGUS83 KLOT 050401 RRB
FLSLOT

Flood Statement
National Weather Service Chicago IL
1101 PM CDT Sat Jul 4 2026

Hazard Report Provided By forecast.weather.gov