FLOOD WARNING
FLOOD WARNING ISSUED AUGUST 12 AT 2:48PM CDT UNTIL AUGUST 13 AT 7:00PM CDT
Effective: 2026-08-12 14:48:00
Expires: 2026-08-13 19:00:00
Issued by: NWS Chicago IL
Alert Text
...THE FLOOD WARNING IS EXTENDED FOR THE FOLLOWING RIVERS INILLINOIS...
THORN CREEK AT THORNTON AFFECTING COOK COUNTY.
FOR THE THORN CREEK...INCLUDING THORNTON...MINOR FLOODING IS FORECAST.
* WHAT...MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* WHERE...THORN CREEK FROM NEAR GLENWOOD DOWNSTREAM TO CONFLUENCE WITH LITTLE CALUMET RIVER, INCLUDING THE THORNTON GAUGE.
* WHEN...UNTIL THURSDAY EVENING.
* IMPACTS...AT 11.0 FEET, 187TH STREET THREATENED IN GLENWOOD.
* ADDITIONAL DETAILS... - AT 2:30 PM CDT WEDNESDAY THE STAGE WAS 9.6 FEET. - RECENT ACTIVITY...THE MAXIMUM RIVER STAGE IN THE 24 HOURS ENDING AT 2:30 PM CDT WEDNESDAY WAS 10.6 FEET. - FORECAST...THE RIVER IS EXPECTED TO RISE TO A CREST AROUND 10 FEET TONIGHT. IT WILL THEN FALL BELOW FLOOD STAGE TOMORROW AFTERNOON. - FLOOD STAGE IS 9.0 FEET. - HTTP: WWW.WEATHER.GOV SAFETY FLOOD
More Information
Target Area
COOK, IL
🔔 Sign-up to receive real-time severe weather alerts via email or text —
subscribe