Active Weather Alerts
River Flood Warning
Issued: 1:18 AM Apr. 25, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Major flooding is occurring and is forecasted to continue today. * 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 7:30 PM CDT Friday the stage was 12.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:30 PM CDT Friday was 12.0 feet. - Forecast...The river is expected to rise to a crest of 12.0 feet just after midnight tonight. - 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 &&
Flood Warning
Issued: 7:00 PM Apr. 24, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Flooding caused by excessive rainfall continues. * WHERE...A portion of northeast Illinois, including the following counties, Lake IL and McHenry. * WHEN...Until further notice. * IMPACTS...Numerous roads, yards, structures, and areas of park land are flooding along the Fox River Chain of Lakes. Flooding will continue through at least next week. * ADDITIONAL DETAILS... - At 102 PM CDT, River gauges along the Fox River Chain of Lakes indicate that water levels are now beginning to slowly recede following a recent crest in major flood stage. The latest forecast from the Illinois Department of Natural Resources indicates that water levels should continue to slowly recede into next week. - Water levels are expected to remain above flood stage at least through the middle of next week, assuming no additional rainfall occurs. - Some locations that will experience flooding include areas along the Fox River Chain of Lakes, including Nippersink Lake, Fox Lake, Pistakee Lake, Petite Lake, Lake Marie, Channel Lake, and Lake Catherine. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. &&
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