Iowa, Nebraska, South Dakota Moderate Heat Advisory | Effective 06/28/2026 09:29

Headline: 
Heat Advisory issued June 28 at 11:29AM CDT until June 29 at 9:00PM CDT by NWS Sioux Falls SD
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
June 28, 2026 - 9:29am
Expires: 
June 28, 2026 - 8:00pm
Description: 
* WHAT...Heat index values 100 to 105 expected. * WHERE...Portions of northwest and west central Iowa, northeast Nebraska, and southeast South Dakota. * WHEN...Until 9 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Instruction: 
Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates.
Area Description: 
Lyon; Osceola; Dickinson; Sioux; O'Brien; Clay; Plymouth; Cherokee; Buena Vista; Woodbury; Ida; Dixon; Dakota; Minnehaha; Turner; Lincoln; Yankton; Clay; Union
Forcast Office: 
NWS Sioux Falls SD