Hazard Report Provided By forecast.weather.gov

Flood Warning
National Weather Service Chicago IL
826 PM CDT Mon Apr 6 2026

...The National Weather Service in Chicago IL has issued a Flood
Warning for the following rivers in Illinois...

  Fox River at Algonquin Lock & Dam tailwater affecting McHenry,
  Lake IL and Kane Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

ILC089-097-111-071930-
/O.NEW.KLOT.FL.W.0016.260407T1800Z-260412T0000Z/
/AFBI2.1.ER.260407T1800Z.260409T0000Z.260411T1800Z.NO/
826 PM CDT Mon Apr 6 2026

...FLOOD WARNING IN EFFECT FROM TUESDAY AFTERNOON TO SATURDAY
EVENING...
...REPLACES RIVER FLOOD WATCH...

* WHAT...Minor flooding is forecast.

* WHERE...Fox River from Johnsburg downstream to Red Gate Road in
  St. Charles, including the Algonquin Lock & Dam tailwater gauge.

* WHEN...From Tuesday afternoon to Saturday evening.

* IMPACTS...At 9.5 feet, Fox River Drive threatened in East Dundee.
  Boathouses threatened along the river in Cary.

* ADDITIONAL DETAILS...
  - At 7:30 PM CDT Monday the stage was 9.4 feet.
  - Forecast...The river is expected to rise above flood stage
    Tuesday afternoon to a crest of 9.7 feet Wednesday evening.
    It will then fall below flood stage early Saturday afternoon.
  - Flood stage is 9.5 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4238 8829 4234 8818 4223 8813 4194 8827
      4195 8838 4219 8830


$$

Petr

Hazard Report Provided By forecast.weather.gov