41°32'N / 87°36'O / Altitude 189 m / 21:47 27/07/2026, America/Chicago (UTC-5)
depuis : 27/07/2026, 22:48
à: 28/07/2026, 14:00
...The National Weather Service in Chicago IL has issued a Flood Warning for the following rivers in Illinois... Thorn Creek at Thornton affecting Cook County. For the Thorn Creek...including Thornton...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Thorn Creek from Near Glenwood downstream to confluence with Little Calumet River, including the Thornton gauge. * WHEN...Until early Tuesday afternoon. * IMPACTS...At 9.0 feet, Water begins to be diverted through Thorn Creek Diversion Tunnel. * ADDITIONAL DETAILS... - At 7:45 PM CDT Monday the stage was 8.2 feet. - Forecast...The river is expected to rise above flood stage late this evening to a crest of 9.6 feet just after midnight tonight. It will then fall below flood stage Tuesday morning. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood
Cook, IL
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 Tuesday afternoon.
NWS Chicago IL
27/07/2026, 19:56
depuis : 27/07/2026, 16:44
à: 28/07/2026, 00:45
* WHAT...Thunderstorm activity through late this afternoon will create varying currents, rapid water level fluctuations, and dangerous swimming conditions with waves 3 to 5 feet expected. Northerly winds will develop tonight and create high wave action and dangerous swimming conditions with waves 6 to 9 feet expected. * WHERE...In Illinois, Lake, Northern Cook and Central Cook Counties. In Indiana, Lake and Porter Counties. * WHEN...Through Wednesday 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 IL27/07/2026, 16:44