WGUS43 KLOT 190057

FLWLOT



BULLETIN - IMMEDIATE BROADCAST REQUESTED

Flood Warning

National Weather Service Chicago IL

757 PM CDT Sat Apr 18 2026



...Forecast flooding changed from Minor to Moderate severity and 

increased in duration for the following rivers in Illinois...



  Kishwaukee River at Belvidere affecting Boone and Winnebago 

  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 Sunday afternoon.



&&



ILC007-201-191900-

/O.EXT.KLOT.FL.W.0023.000000T0000Z-260421T0430Z/

/BVDI2.2.ER.260417T0412Z.260419T1200Z.260420T2230Z.NO/

757 PM CDT Sat Apr 18 2026



...FLOOD WARNING NOW IN EFFECT UNTIL LATE MONDAY EVENING...



* WHAT...Minor flooding is occurring and moderate flooding is 

  forecasted to occur.



* WHERE...Kishwaukee River from County Line Road downstream to 

  confluence with South Branch Kishwaukee River, including the 

  Belvidere gauge.



* WHEN...Until late Monday evening.



* IMPACTS...At 10.0 feet, Trails in Spencer Park threatened. Parking 

  lots threatened in Belvidere Park.



* ADDITIONAL DETAILS...

  - At 7:30 PM CDT Saturday the stage was 9.8 feet.

  - Forecast...The river is expected to rise to a crest near 10.0

    feet (Moderate Stage) tomorrow morning. It is then expected

    to fall below flood stage at some point on Monday.

  - Flood stage is 9.0 feet.

  - http://www.weather.gov/safety/flood



&&



LAT...LON 4229 8894 4229 8870 4223 8870 4223 8893

      4225 8898





$$



Borchardt