Active Weather Alerts
Flood Warning
Issued: 4:09 PM Apr. 26, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL 1 PM CDT THURSDAY... * WHAT...Flooding caused by excessive rainfall continues. * WHERE...A portion of northeast Illinois, including the following counties, Lake IL and McHenry. * WHEN...Until 100 PM CDT Thursday. * 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 this week. * ADDITIONAL DETAILS... - At 1107 AM CDT, River gauges along the Fox River Chain of Lakes indicate that water levels are slowly receding following a crest in major flood stage. The latest forecast from the Illinois Department of Natural Resources indicates that water levels should continue to slowly recede this week. - Water levels are expected to remain above flood stage through this week. However, if additional heavy rainfall occurs on Monday, flooding could persist into the first week of May. - 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. &&
River Flood Warning
Issued: 3:27 PM Apr. 26, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Moderate flooding is occurring and is forecast to continue. * 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 9:30 AM CDT Sunday the stage was 11.9 feet. - Forecast...The river is expected to gradually fall over the next several days. - Flood stage is 9.5 feet. - http://www.weather.gov/safety/flood &&
River Flood Warning
Issued: 3:00 PM Apr. 26, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL SATURDAY EVENING... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Fox River Lower near New Munster. * WHEN...Until Saturday evening. * IMPACTS...At 13.5 feet, Floodwaters are into the lower levels of some homes in the Town of Wheatland and Village of Salem Lakes areas along Riverside Drive and Shorewood Drive. * ADDITIONAL DETAILS... - At 9:00 AM CDT Sunday the stage was 12.9 feet. - Bankfull stage is 10.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 AM CDT Sunday was 13.3 feet. - Forecast...The river is expected to fall below flood stage early Saturday afternoon and continue falling to 10.8 feet Sunday, May 03. - Flood stage is 11.0 feet. - Flood History...This crest compares to a previous crest of 13.0 feet on 05/19/2020. - http://www.weather.gov/safety/flood && River forecasts are available for some but not all river gaging locations. The 7 day river forecast takes into account past precipitation, soil moisture conditions, and predicted precipitation for the basin. Precipitation is for the next 24 hours in the future from April through September and for 48 hours in the future from October through March. (Stages in ft.) Bank- Latest Forecast stages - Flood full observed ...for 7 am... Location stage stage stage/time Mon Tue Wed Thu New Munster 11.0 10.0 12.90 9 am 4/26 12.5 12.2 11.9 11.6 - Highest 24 hour change - observed in river stage - stage in (ft.) up to Highest stage - the last latest observed forecast in - 7 days stage next 7 days New Munster 15.02 9 am 4/19 -0.38 12.80 1 pm 4/26 &&
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