Mahaska County, IA

Alerts

Warning Area
County Line

Alerts are listed in order of start time and level of severity. Click on the alert title to read details for each alert.

In effect from Sunday 07/26 12:00 PM CDT – Monday 07/27 10:00 PM CDT

Issued by NWS Des Moines IA

What

Dangerously hot conditions with heat index values up to 113 expected.

Where

Portions of central, north central, northeast, south central, and southeast Iowa.

When

Until 10 PM CDT Monday.

Impacts

Heat related illnesses increase significantly during extreme heat and high humidity events.

What to Do

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Areas Impacted

  • Butler
  • Bremer
  • Grundy
  • Black Hawk
  • Marshall
  • Tama
  • Jasper
  • Poweshiek
  • Marion
  • Mahaska
  • Clarke
  • Lucas
  • Monroe
  • Wapello
  • Decatur
  • Wayne
  • Appanoose
  • Davis

Tips to Stay Safe

An Extreme Heat Warning means that extremely dangerous heat conditions are happening now or soon. You must take precautions to protect yourself and others from extreme heat. 

  • Stay inside in air conditioning if possible. If you don’t have air conditioning, go to a library, mall, or local cooling center. 
  • Drink plenty of water to stay hydrated, and wear loose, light-colored clothing. 
  • Check on friends, family, and neighbors, especially those who do not have air conditioning or spend much of their time alone. 
  • Reschedule outdoor activities for a cooler day.
  • If you must be outdoors, take longer and more frequent breaks in the shade or air conditioning, and avoid the hottest parts of the day.
  • Bring pets indoors if possible. If pets are left outside, make sure they have shade and plenty of cool water. 
  • Make sure you know the signs of heat-related illness and how to respond.

Briefing

Last updated

From the Forecaster

Dangerous Heat Today

Created by the NWS Des Moines WFO

Dangerously hot and humid conditions continue today as highs climb into the upper 90s and heat indices over 110°F. Temperatures will be hottest this afternoon, but remain warm even after sunset with lows only falling into the upper 70s overnight. Practice good heat safety and avoid prolonged time outdoors. If you must be outdoors, heat illness could occur. Make sure to take frequent breaks in the A/C or shade, and drink plenty of water. Never leave kids or pets in a car unattended.

Extreme Heat Warning in effect starting at noon today, July 26, 2026. The image highlights maximum heat indices exceeding 110°F and lists essential safety precautions: drinking water, taking breaks in shade or A/C, and never leaving children or pets in vehicles.

Seven-day Weather Risk Overview

The graphic shows the daily risk summary for 7 days. Daily risk is based on highest risk factor for that day.

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