NWS Omaha/Valley NEXH.W 0001June 29, 2026
Extreme Heat Warning: Monona and Harrison, IA
The National Weather Service office in Omaha/Valley issued an extreme heat warning for Monona and Harrison in Iowa, which was in force until 9:00 p.m. local time on June 29. It was the 1st extreme heat warning the NWS office in Omaha/Valley 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 8 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Omaha/Valley NE
- Area
- Monona and Harrison
- State
- Iowa
- Level
- Warning
- Issued
- 12:15 a.m. CDT, June 29, 2026
- In force from
- 1:00 p.m. CDT, June 29, 2026
- Expires
- 9:00 p.m. CDT, June 29, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Expected
- VTEC event
- KOAX 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 up to 110 expected. * WHERE...Harrison and Monona Counties. * WHEN...From 1 PM this afternoon to 9 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
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.