Headline:
Flood Warning issued April 17 at 11:24PM CDT by NWS Chicago IL
Event:
Flood Warning
Urgency:
Immediate
Effective:
April 17, 2026 - 9:24pm
Expires:
April 18, 2026 - 3:30pm
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,
Kane and McHenry Counties.
For the Fox River (Illinois)...including Algonquin Lock & Dam
tailwater, Montgomery, Dayton...Moderate flooding is forecast.
* 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 11.5 feet, Residences threatened along Oceola Drive
in Algonquin. A few residences threatened along McBridge Street in
Elgin. Jayne Street and Beach Drive threatened in Algonquin. River
Street threatened in East Dundee. Jerusha Avenue threatened in
Elgin. Fox River Trail threatened between East Dundee and Elgin.
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 10:30 PM CDT Friday the stage was 10.9 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 10:30 PM CDT Friday was 10.9 feet. The river has
begun to rise due to recent rainfall.
- Forecast...The river is now expected to crest near 11.5 to
12.0 feet late next week due to recent rainfall.
- 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 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 Saturday afternoon.
Area Description:
Kane, IL; Lake, IL; McHenry, IL
Forcast Office:
NWS Chicago IL
Sender:
w-nws.webmaster@noaa.gov