Headline:
Flood Warning issued April 18 at 12:44PM CDT by NWS Chicago IL
Event:
Flood Warning
Urgency:
Immediate
Effective:
April 18, 2026 - 10:44am
Expires:
April 19, 2026 - 4:45am
Description:
...The Flood Warning continues for the following rivers in
Illinois...
Fox River at Montgomery affecting Kendall and Kane Counties.
Fox River at Algonquin Lock & Dam tailwater affecting Lake IL,
McHenry and Kane Counties.
* WHAT...Moderate flooding is occurring and moderate flooding is
forecast.
* WHERE...Fox River from Johnsburg downstream to Red Gate Road in
St. Charles, including the Algonquin Lock & Dam tailwater gauge.
* WHEN...Until further notice.
* IMPACTS...At 12.0 feet, Structures threatened along River Street,
Johnson Street, and Maiden Lane in East Dundee. North Harrison
Street threatened near Riverside Park in Algonquin. Washington
Street threatened in Carpentersville. Water Street, Edwards
Avenue, and Elgin Avenue threatened in East Dundee. Bayview Road
threatened in Elgin. Low-lying areas of Festival Park are
threatened in Elgin.
* ADDITIONAL DETAILS...
- At 11:30 AM CDT Saturday the stage was 11.1 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 11:30 AM CDT Saturday was 11.2 feet. The river
climbed overnight due to rainfall yesterday.
- Forecast...The river is expected to rise to near 11.5 feet by
tomorrow. The river will then slowly climb to a crest near
11.8 feet next Wednesday.
- Flood stage is 9.5 feet.
- Flood History...This crest compares to a previous crest of
11.8 feet on 05/23/2020.
- http://www.weather.gov/safety/flood
Instruction:
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 almost entirely on observed precipitation
as little to no additional precipitation is currently expected over
the next 24 to 48 hours.
Additional information is available at www.weather.gov.
The next statement will be issued by Sunday morning.
Area Description:
Kane, IL; Lake, IL; McHenry, IL
Forcast Office:
NWS Chicago IL
Sender: