Illinois Severe Thunderstorm Warning | Effective 04/17/2026 19:17

Headline: 
Severe Thunderstorm Warning issued April 17 at 9:17PM CDT until April 17 at 10:00PM CDT by NWS Chicago IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 7:17pm
Expires: 
April 17, 2026 - 8:00pm
Description: 
At 917 PM CDT, severe thunderstorms were located along a line extending from near Pingree Grove to North Aurora to Oswego to near Mazon, moving east at 45 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. These severe storms will be near... Aurora, Joliet, Naperville, Elgin, Bolingbrook, Bartlett, Plainfield, St. Charles, Oswego, and West Chicago around 920 PM CDT. Other locations in the path of these severe thunderstorms include Wheaton, Carol Stream, Romeoville, Hanover Park, Coal City, Lisle, Crest Hill, Winfield, West Dundee, Sleepy Hollow, Downers Grove, Lombard, Glendale Heights, Woodridge, Glen Ellyn, Lockport, Braidwood, Roselle, Darien, Bloomingdale, Addison, New Lenox, Homer Glen, Hinsdale, Lemont, Burr Ridge, Oak Brook, Westmont, Villa Park, Itasca, Elmhurst, Elk Grove Village, Bensenville, Wood Dale, Northlake, Hillside, Willow Springs and Mokena.
Instruction: 
A Tornado Watch remains in effect until 1100 PM CDT for central and 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. For your protection move to an interior room on the lowest floor of a building.
Area Description: 
DuPage, IL; Grundy, IL; Kane, IL; Kendall, IL; Will, IL
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov