41°30'N / 87°44'V / Høyde 217 m / 05:12 04.04.2026, America/Chicago (UTC-5)
fra: 03.04.2026, 23:56
til: 04.04.2026, 10:00
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northern and central Illinois and northwest Indiana. * WHEN...Until 10 AM CDT /11 AM EDT/ Saturday. * IMPACTS...Roads and streets may be flooded. Area creeks and streams are already elevated, increasing the risk of flooding due to additional rainfall. * ADDITIONAL DETAILS... - Recent rounds of heavy rainfall have left soils saturated and stream and creek levels elevated across the area. Additional rounds of heavy rainfall overnight may lead to rapid run-off and an increased threat of flash flooding. - http://www.weather.gov/safety/flood
Southern Cook,Cook
A Flood Watch for flash flooding means rapid-onset flooding is
possible, but not yet certain, based upon the latest forecasts.
Flash flooding is a dangerous situation. Persons with interests
along area rivers, creeks, and other waterways should monitor the
latest forecasts and be prepared to take action should flooding
develop.
NWS Chicago IL
03.04.2026, 23:56fra: 04.04.2026, 01:59
til: 04.04.2026, 10:00
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Portions of Illinois, including the following counties, Cook, Grundy, Kankakee, La Salle, Livingston and Will and northwest Indiana, including the following county, Lake IN. * WHEN...Until 1000 AM CDT Saturday. * IMPACTS...Flooding of ditches, viaducts and other low lying areas. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - At 157 AM CDT, Doppler radar indicated heavy rainfall of between 1 and 2 inches, and locally in excess of 3 inches has occurred due to thunderstorms since last evening. Flooding is ongoing or expected to begin shortly in the warned area. - This areal flood warning replaces flash flood warnings and advisories previously in effect. - Some locations that will experience flooding include... Chicago, Hammond, Gary, Orland Park, Tinley Park, Calumet City, Chicago Heights, Roseland, East Chicago, Lansing, Oak Forest, Harvey, New Lenox, Highland, Blue Island, Munster, Dolton, Park Forest, Homewood and Matteson. - http://www.weather.gov/safety/flood
Cook, IL; Grundy, IL; Kankakee, IL; La Salle, IL; Livingston, IL; Will, IL; Lake, INA 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.NWS Chicago IL04.04.2026, 01:59