Active Weather Alerts
Freeze Warning
Issued: 7:34 AM Apr. 20, 2026 – National Weather Service
...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT /10 AM EDT/ THIS MORNING... * WHAT...Sub-freezing temperatures as low as 26 expected, with the coldest conditions across interior northern Illinois. * WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. * WHEN...Until 9 AM CDT /10 AM EDT/ this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. &&
River Flood Warning
Issued: 2:55 AM Apr. 20, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Major flooding is occurring and major flooding is forecast. * WHERE...Fox River Lower near New Munster. * WHEN...Until further notice. * IMPACTS...At 15.0 feet, Highway 50 is closed due to floodwaters over the highway. There is widespread flooding in the Town of Wheatland and Village of Salem Lakes. Floodwaters are into the lower levels of some homes in those areas along Riverside Drive, Shorewood Drive, 101st Street and Shorewood Terrace. * ADDITIONAL DETAILS... - At 9:00 PM CDT Sunday the stage was 15.0 feet. - Bankfull stage is 10.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Sunday was 15.0 feet. - Forecast...The river is expected to gradually fall to 14.8 feet by Monday morning. - Flood stage is 11.0 feet. - Flood History...This crest compares to a previous crest of 15.0 feet on 08/24/2007. - 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 pm... Location stage stage stage/time Mon Tue Wed Thu New Munster 11.0 10.0 14.95 9 pm 4/19 14.7 14.1 13.5 12.8 - 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 15.04 7 am 4/19 -0.03 15.00 1 am 4/20 &&
River Flood Warning
Issued: 1:16 AM Apr. 20, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Moderate flooding is occurring and forecasted to continue. * WHERE...Des Plaines River from Townline Road in Libertyville downstream to Palatine Road in Prospect Heights, including the Lincolnshire gauge. * WHEN...Until further notice. * IMPACTS...At 15.0 feet, Structures threatened along IL-22 (Half-Day Road) just east of the river. Multiple structures threatened near and west of US-45 (Milwaukee Avenue) and Deerfield Road. Deerfield Road threatened near the river. Multiple trails inundated in Half-Day Forest Preserve. * ADDITIONAL DETAILS... - At 7:45 PM CDT Sunday the stage was 15.1 feet. - Forecast...The river appears close to cresting. It is expected to remain near 15.1 to 15.2 feet through the next 24 hours before gradually falling thereafter. It is expected to remain above flood stage through the week. - Flood stage is 12.5 feet. - http://www.weather.gov/safety/flood &&
River Flood Warning
Issued: 1:16 AM Apr. 20, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Moderate flooding is occurring and forecasted to continue. * WHERE...Des Plaines River from US-41 in Gurnee downstream to Townline Road in Vernon Hills, including the Gurnee gauge. * WHEN...Until further notice. * IMPACTS...At 11.0 feet, US-41 (Skokie Highway) threatened near the river in Gurnee. Mundelein Water Reclamation Facility property is threatened near Libertyville. * ADDITIONAL DETAILS... - At 7:30 PM CDT Sunday the stage was 10.7 feet. - Forecast...The river appears to have crested. It will continue gradually falling, but will remain above flood stage through much of the week. - Flood stage is 7.0 feet. - http://www.weather.gov/safety/flood &&
River Flood Warning
Issued: 1:16 AM Apr. 20, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Moderate flooding is occurring and forecasted to continue. * WHERE...Des Plaines River from IL/WI state line downstream to US-41 in Gurnee, including the Russell gauge. * WHEN...Until further notice. * IMPACTS...At 9.5 feet, Residential structures threatened along Russell Road between the river and Kilbourne Road. Industrial parking lots threatened along Kilbourne Road. * ADDITIONAL DETAILS... - At 7:30 PM CDT Sunday the stage was 9.6 feet. - Forecast...The river appears to be close to cresting. It is expected to begin falling by tomorrow afternoon, but will remain above flood stage through much of the week. - Flood stage is 7.0 feet. - Flood History...This crest compares to a previous crest of 9.7 feet on 04/02/1960. - http://www.weather.gov/safety/flood &&
River Flood Warning
Issued: 1:11 AM Apr. 20, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Moderate flooding is occurring and forecasted 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 7:30 PM CDT Sunday the stage was 11.5 feet. - Forecast...The river is expected to continue gradually rising through the week, and may approach Major flood stage toward the end of the week. - Flood stage is 9.5 feet. - http://www.weather.gov/safety/flood &&
Flood Warning
Issued: 5:12 PM Apr. 19, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL 1 PM CDT SATURDAY... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of northeast Illinois, including the following counties, Lake IL and McHenry. * WHEN...Until 100 PM CDT Saturday Apr 25. * IMPACTS...Numerous roads, yards, structures, and park land are expected to flood along the Fox River Chain of Lakes. * ADDITIONAL DETAILS... - At 1202 PM CDT, River gauges along the Fox River Chain of Lakes indicated slowly rises water levels due to recent rainfall across the area. - Water levels may near major flood stage by the middle of next week and remain above flood stage potentially for several weeks. Impacts from this flood may be similar to those experienced in May of 1973, October of 1986, or June of 2008. - 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... Now is the time to prepare for flooding that hasn't occurred in several years. Residents living along the immediate shorelines of the Fox River Chain of Lakes need to take precautions to protect property including moving valuables to higher ground. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. &&
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