41°36'N / 87°31'W / Altitud 179 m / 17:48 01/08/2026, America/Chicago (UTC-5)
de: 01/08/2026, 10:22
a: 01/08/2026, 19:00
* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of central and northeast Illinois, including the following areas, in northeast Illinois, Central Cook, DuPage, Eastern Will, Grundy, Kendall, Northern Cook, Northern Will, Southern Cook and Southern Will. In central Illinois, Livingston. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Flooding may occur in poor drainage and urban areas. Area creeks and streams are already elevated, increasing the risk of flooding due to additional rainfall. * ADDITIONAL DETAILS... - A slow moving weather system may bring additional periods of heavy showers and embedded thunderstorms which may lead to localized flooding. Portions of the Flood Watch have already received 2 to locally 4 inches of rainfall and are more susceptible to renewed flash flooding if and where additional heavy rain occurs through early this evening. - 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
01/08/2026, 10:22de: 01/08/2026, 17:30
a: 02/08/2026, 07:00
...The National Weather Service in Chicago has issued a Flood Warning for the following rivers in Indiana...Illinois... Little Calumet River at Munster (Hohman Avenue) affecting Cook and Lake IN Counties. For the Little Calumet River...including South Holland, Munster (Hohman Avenue)...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Little Calumet River from IN-912 in Hammond downstream to confluence with Thorn Creek in South Holland, including the Munster (Hohman Avenue) gauge. * WHEN...Until Sunday morning. * IMPACTS...At 12.5 feet, Most areas outside of the levee-protected area are inundated in Hammond and Munster. * ADDITIONAL DETAILS... - At 4:00 PM CDT Saturday the stage was 11.5 feet. - Forecast...The river is expected to rise above flood stage late this afternoon to a crest of 12.5 feet this evening. It will then fall below flood stage just after midnight tonight. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood
Cook, IL; Lake, INA 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 Sunday morning at 700 AM CDT.NWS Chicago IL01/08/2026, 16:50
de: 01/08/2026, 15:43
a: 01/08/2026, 23:45
* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 6 to 9 ft expected. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...Through Monday morning. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com.
CookRemain out of the water to avoid dangerous swimming conditions
and do not venture out onto piers, jetties, breakwalls, or other
shoreline structures.NWS Chicago IL01/08/2026, 15:43de: 01/08/2026, 17:13
a: 01/08/2026, 19:00
* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Southeastern Cook County in northeastern Illinois... Northern Grundy County in northeastern Illinois... Southern Kendall County in northeastern Illinois... Northwestern Will County in northeastern Illinois... Northern Lake IN County in northwestern Indiana... Northern Porter County in northwestern Indiana... * WHEN...Until 700 PM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Underpasses may be flooded. Roads and streets may be flooded. * ADDITIONAL DETAILS... - At 509 PM CDT, Doppler radar and automated rain gauges indicated that light to moderate rainfall was occurring in areas where heavy rainfall occurred a few hours ago. Minor flooding is ongoing in the advisory area. Up to 2.5 inches of rain have fallen in the past 3 to 6 hours. - Some locations that may experience flooding include... Chicago, Joliet, Hammond, Gary, Orland Park, Tinley Park, Oak Lawn, Romeoville, Plainfield, Calumet City, Portage, Roseland, Englewood, South Shore, East Chicago, Burbank, and Lansing. - http://www.weather.gov/safety/flood
Cook, IL; Grundy, IL; Kendall, IL; Will, IL; Lake, IN; Porter, INA 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.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.NWS Chicago IL01/08/2026, 17:13