NWS Quad Cities IA ILTO.W 0052May 17, 2026
Tornado Warning: Stephenson, IL
The National Weather Service office in Quad Cities IA issued a tornado warning for Stephenson in Illinois, which was in force until 11:15 a.m. local time on May 17. It was the 52nd tornado warning the NWS office in Quad Cities IA issued in 2026. Illinois had 4 tornado warnings in May 2026, against 24 in an average May of 2008-2025 (Illinois's tornado warnings by year).
ExpiredWarning
In force for 26 minutes; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Quad Cities IA IL
- Area
- Stephenson
- State
- Illinois
- Level
- Warning
- Issued
- 10:49 a.m. CDT, May 17, 2026
- Expires
- 11:15 a.m. CDT, May 17, 2026
- CAP severity, certainty, urgency
- Extreme, Observed, Immediate
- VTEC event
- KDVN TO.W 0052
- Official source
- National Weather Service: the notice at its source
Tornado Warnings in Illinois since 2008Every warning type in Illinois
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
TORDVN The National Weather Service in the Quad Cities has issued a * Tornado Warning for... North central Stephenson County in northwestern Illinois... * Until 1115 AM CDT. * At 1047 AM CDT, a severe thunderstorm capable of producing a tornado was located near Rock Grove, or 7 miles southeast of Monroe, moving northeast at 50 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. * This tornadic thunderstorm will remain over mainly rural areas of north central Stephenson County, including the following locations... Rock Grove.
What the agency told people to do
TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.