NWS Quad Cities IA ILXH.W 0001June 28, 2026
Extreme Heat Warning: Buchanan, Delaware, Dubuque and 10 more, IA and IL
The National Weather Service office in Quad Cities IA issued an extreme heat warning for Buchanan, Delaware, Dubuque and 10 more in Iowa, Illinois, which was in force until 9:00 p.m. local time on June 30. It was the 1st extreme heat warning the NWS office in Quad Cities IA issued in 2026. Iowa had 5 extreme heat warnings in June 2026, against 1 in an average June of 2008-2025 (Iowa's extreme heat warnings by year).
ExpiredWarning
In force for 33 hours; 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
- Buchanan, Delaware, Dubuque and 10 more
- State
- Iowa
- Level
- Warning
- Issued
- 1:21 a.m. CDT, June 28, 2026
- In force from
- 12:00 p.m. CDT, June 29, 2026
- Expires
- 9:00 p.m. CDT, June 30, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Expected
- VTEC event
- KDVN XH.W 0001
- Official source
- National Weather Service: the notice at its source
Extreme Heat Warnings in Iowa since 2008Every warning type in Iowa
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
* WHAT...Dangerously hot conditions with heat index values exceeding 100 degrees multiple days. * WHERE...Portions of north central and northwest Illinois and east central and northeast Iowa. * WHEN...From noon Monday to 9 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...There is the possibility that excessive heat will last for much of next week. Thunderstorms and associated cloud debris may interrupt the excessive heat at times late in the week.
What the agency told people to do
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
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.