Active Weather Alerts
River Flood Watch
Issued: 5:24 AM Apr. 15, 2026 – National Weather Service
...FLOOD WATCH IN EFFECT FROM THIS MORNING UNTIL FURTHER NOTICE... * WHAT...Flooding is possible. * WHERE...Des Plaines River from Townline Road in Libertyville downstream to Palatine Road in Prospect Heights, including the Lincolnshire gauge. * WHEN...From this morning until further notice. * IMPACTS...At 13.0 feet, Low-lying trails in Wright Woods Forest Preserve are inundated. * ADDITIONAL DETAILS... - At 11:45 PM CDT Tuesday the stage was 10.6 feet. - Forecast...Due to recent and forecast rain, the river is rising and may exceed flood stage by tomorrow. - Flood stage is 12.5 feet. - http://www.weather.gov/safety/flood &&
River Flood Watch
Issued: 5:24 AM Apr. 15, 2026 – National Weather Service
...FLOOD WATCH IN EFFECT FROM THIS MORNING UNTIL FURTHER NOTICE... * WHAT...Flooding is possible. * WHERE...Des Plaines River from IL/WI state line downstream to US-41 in Gurnee, including the Russell gauge. * WHEN...From this morning until further notice. * IMPACTS...At 7.0 feet, Low-lying wetlands and agricultural land is inundated near the river. * ADDITIONAL DETAILS... - At 11:30 PM CDT Tuesday the stage was 6.2 feet. - Forecast...Due to recent and forecast rain, the river is rising and may exceed flood stage by Thursday. - Flood stage is 7.0 feet. - http://www.weather.gov/safety/flood &&
Special Marine Warning
Issued: 4:28 AM Apr. 15, 2026 – National Weather Service
The National Weather Service in Chicago has issued a * Special Marine Warning for... Nearshore Waters from Winthrop Harbor to Calumet Harbor... Nearshore Waters from Calumet Harbor to Michigan City... Open Waters from Winthrop Harbor to Michigan City out to Mid Lake... * Until 130 AM CDT. * At 1127 PM CDT, strong thunderstorms were located along a line extending from near Waukegan Harbor to near Wilmette Harbor to near Midway Airport, moving east at 50 knots. HAZARD...Wind gusts 34 knots or greater and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Harrison-Dever Crib, Wilmette Harbor, 31st Street Harbor, Monroe Harbor, Burns Harbor, Calumet Harbor, Winthrop Harbor, Indiana Harbor, Montrose Harbor, Waukegan Harbor, Burnham Harbor, and Hammond Marina. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && HAIL...<.75IN; WIND...>34KTS
River Flood Watch
Issued: 3:33 AM Apr. 15, 2026 – National Weather Service
...FLOOD WATCH IN EFFECT FROM WEDNESDAY MORNING UNTIL FURTHER NOTICE... * WHAT...Flooding is possible. * WHERE...Des Plaines River from US-41 in Gurnee downstream to Townline Road in Vernon Hills, including the Gurnee gauge. * WHEN...From Wednesday morning until further notice. * IMPACTS...At 7.0 feet, Forest land inundated near the river in Gurnee. * ADDITIONAL DETAILS... - At 9:30 PM CDT Tuesday the stage was 6.0 feet. - Forecast...Rainfall will cause the river to rise and flood stage may be reached on Wednesday. - Flood stage is 7.0 feet. - http://www.weather.gov/safety/flood &&
River Flood Watch
Issued: 3:13 AM Apr. 15, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Flooding is possible. * WHERE...Fox River Lower near New Munster. * WHEN...Until further notice. * IMPACTS...At 12.0 feet, Water is up to the first floor levels of some homes in the Town of Wheatland and Village of Salem Lakes area along Riverside Drive and Shorewood Drive. * ADDITIONAL DETAILS... - At 9:00 PM CDT Tuesday the stage was 10.0 feet. - Forecast...Flood stage may be reached late tomorrow evening. - Flood stage is 11.0 feet. - 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 1 am... Location stage stage stage/time Thu Fri Sat Sun New Munster 11.0 10.0 9.99 9 pm 4/14 11.2 12.0 12.2 12.0 - 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 11.62 9 pm 4/07 0.14 12.20 1 am 4/18 &&
River Flood Warning
Issued: 2:26 AM Apr. 15, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Minor flooding is forecast. * 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 9.5 feet, Fox River Drive threatened in East Dundee. Boathouses threatened along the river in Cary. * ADDITIONAL DETAILS... - At 8:30 PM CDT Tuesday the stage was 9.4 feet. - Forecast...Due to rainfall tonight and Wednesday, the river is expected to rise above flood stage late tonight and remain in flood for several days. - Flood stage is 9.5 feet. - http://www.weather.gov/safety/flood &&
Flood Watch
Issued: 12:11 AM Apr. 15, 2026 – National Weather Service
...FLOOD WATCH IN EFFECT UNTIL 6 AM CDT WEDNESDAY... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of Illinois, including the following areas, Boone, Central Cook, De Kalb, DuPage, Eastern Will, Kane, Kendall, Lake IL, McHenry, Northern Cook, Northern Will, Ogle, Southern Cook, Southern Will and Winnebago and northwest Indiana, including the following area, Lake IN. * WHEN...Until 6 AM CDT Wednesday. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. * ADDITIONAL DETAILS... - An area of thunderstorms with rain rates up to one to two inches per hour is expected to move through the area this evening through the overnight hours. Elevated soil moisture due to recent rainfall is expected to increase the susceptibility to flash flooding. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Watch for flash flooding means rapid-onset flooding is possible, but not yet certain, based upon the latest forecasts. Flash flooding is a dangerous situation. Persons with interests along area rivers, creeks, and other waterways should monitor the latest forecasts and be prepared to take action should flooding develop. &&
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