WGUS83 KLOT 210204 FLSLOT Flood Statement National Weather Service Chicago IL 904 PM CDT Mon Apr 20 2026 ...The Flood Warning continues for the following rivers in Illinois... Fox River at Montgomery affecting Kane and Kendall Counties. Fox River at Algonquin Lock & Dam tailwater affecting Kane, McHenry and Lake IL 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 almost entirely on observed precipitation as little to no additional precipitation is currently expected over the next 24 to 48 hours. 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. && ILC089-093-212015- /O.CON.KLOT.FL.W.0022.000000T0000Z-000000T0000Z/ /MNGI2.1.ER.260416T0800Z.260418T2200Z.000000T0000Z.NO/ 904 PM CDT Mon Apr 20 2026 ...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Minor flooding is occurring and forecasted to continue. * WHERE...Fox River from Red Gate Road in St. Charles downstream to Millington, including the Montgomery gauge. * WHEN...Until further notice. * IMPACTS...At 13.5 feet, Low-lying parking lots at city hall and Boy Scout Island are threatened in St. Charles. Fox River Trail is threatened at St. Mary Park in St. Charles. * ADDITIONAL DETAILS... - At 8:00 PM CDT Monday the stage was 13.6 feet. - Forecast...The river is expected to remain nearly steady until further notice. - Flood stage is 13.5 feet. - http://www.weather.gov/safety/flood && LAT...LON 4195 8838 4194 8827 4169 8826 4154 8860 4163 8860 4173 8838 $$ ILC089-097-111-212015- /O.CON.KLOT.FL.W.0016.000000T0000Z-000000T0000Z/ /AFBI2.3.ER.260414T1200Z.260423T1200Z.000000T0000Z.NO/ 904 PM CDT Mon Apr 20 2026 ...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Moderate flooding is occurring and major flooding is forecasted. * WHERE...Fox River from Johnsburg downstream to Red Gate Road in St. Charles, including the Algonquin Lock & Dam tailwater gauge. * WHEN...Until further notice. * IMPACTS...At 12.0 feet, Structures threatened along River Street, Johnson Street, and Maiden Lane in East Dundee. North Harrison Street threatened near Riverside Park in Algonquin. Washington Street threatened in Carpentersville. Water Street, Edwards Avenue, and Elgin Avenue threatened in East Dundee. Bayview Road threatened in Elgin. Low-lying areas of Festival Park are threatened in Elgin. * ADDITIONAL DETAILS... - At 8:30 PM CDT Monday the stage was 11.8 feet. - Forecast...The river is expected to continue slowly rising through the week. It is expected to reach Major flood stage at some point Wednesday night into Thursday. - Flood stage is 9.5 feet. - http://www.weather.gov/safety/flood && LAT...LON 4238 8829 4234 8818 4223 8813 4194 8827 4195 8838 4219 8830 $$ Borchardt