Iowa, Nebraska, South Dakota Severe Extreme Heat Warning | Effective 07/25/2026 11:10

Headline: 
Extreme Heat Warning issued July 25 at 1:10PM CDT until July 26 at 8:00PM CDT by NWS Sioux Falls SD
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
July 25, 2026 - 11:10am
Expires: 
July 25, 2026 - 9:00pm
Description: 
* WHAT...Dangerously hot conditions with heat index values up to 108. * WHERE...Portions of northwest and west central Iowa, northeast Nebraska, and south central and southeast South Dakota. * WHEN...Until 8 PM CDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Instruction: 
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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. 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.
Area Description: 
Sioux; Plymouth; Woodbury; Dixon; Dakota; Gregory; Charles Mix; Douglas; Hutchinson; Bon Homme; Yankton; Clay; Union
Forcast Office: 
NWS Sioux Falls SD
Sender: 
w-nws.webmaster@noaa.gov