Active Weather Alerts
Severe Thunderstorm Warning
Issued: 2:51 AM Apr. 15, 2026 – National Weather Service
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR SOUTHERN LAKE...NORTHERN DUPAGE AND NORTHERN COOK COUNTIES... At 950 PM CDT, severe thunderstorms were located along a line extending from North Chicago to Rolling Meadows to Wayne, moving east at 60 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Chicago, Elgin, Waukegan, Cicero, Arlington Heights, Evanston, Schaumburg, Palatine, Skokie, Des Plaines, Berwyn, Mount Prospect, Hoffman Estates, Oak Park, Glenview, Elmhurst, Lombard, Buffalo Grove, Bartlett, Ohare Airport, Streamwood, Carol Stream, Hanover Park, Wheeling, and Park Ridge. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until midnight CDT for northeastern Illinois. Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. Prepare immediately for damaging winds and deadly cloud to ground lightning. Seek shelter inside a well-built structure. Stay away from windows. && TORNADO...POSSIBLE; HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...<.75 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...60 MPH
Special Marine Warning
Issued: 2:37 AM Apr. 15, 2026 – National Weather Service
...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT... For the following areas... Nearshore Waters from Winthrop Harbor to Wilmette Harbor... Open Waters from Winthrop Harbor to Wilmette Harbor out to Mid Lake... At 936 PM CDT, severe thunderstorms capable of producing waterspouts were located along a line extending from 24 nm southeast of Wind Pt. to 9 nm east of Waukegan Harbor to 12 nm north of Ohare Airport, moving east at 45 knots. HAZARD...Waterspouts and wind gusts in excess of 50 knots. SOURCE...Radar and surface observations. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Boats could suffer significant structural damage in high winds. Small craft could capsize in suddenly higher waves. Locations impacted include... Winthrop Harbor and Waukegan Harbor. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until midnight CDT for northeastern Illinois...and the adjacent waters of Lake Michigan. Move to safe harbor until hazardous weather passes. Frequent lightning is occurring with these storms. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. && WATERSPOUT...POSSIBLE; HAIL...0.00IN; WIND...50KTS
Tornado Watch
Issued: 1:50 AM Apr. 15, 2026 – National Weather Service
TORNADO WATCH 109, PREVIOUSLY IN EFFECT UNTIL 10 PM CDT THIS EVENING, IS NOW IN EFFECT UNTIL MIDNIGHT CDT TONIGHT FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS WINTHROP HARBOR TO WILMETTE HARBOR IL
Tornado Watch
Issued: 1:50 AM Apr. 15, 2026 – National Weather Service
THE NATIONAL WEATHER SERVICE HAS EXTENDED TORNADO WATCH 109 TO INCLUDE THE FOLLOWING AREAS UNTIL MIDNIGHT CDT TONIGHT IN ILLINOIS THIS WATCH INCLUDES 2 COUNTIES IN NORTHEAST ILLINOIS COOK DUPAGE THIS INCLUDES THE CITIES OF CAROL STREAM, CHICAGO, DOWNERS GROVE, EVANSTON, LEMONT, LOMBARD, NAPERVILLE, OAK LAWN, ORLAND PARK, PARK FOREST, SCHAUMBURG, AND WHEATON.
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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