National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat in the East; Critical Fire Weather in the Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

A Few Clouds and Breezy

89°F

32°C

Humidity 68%
Wind Speed S 21 G 35 mph
Barometer 29.79 in (1007.9 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 29 Jun 3:53 pm CDT
Extended Forecast for

Ottumwa Industrial Airport IA

Extreme Heat Warning June 29, 04:09pm until July 1, 10:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 29, 04:09pm until July 1, 10:00pm

    NOW until 10:00pm Wed

    Extreme Heat Warning

  • This Afternoon

    High: 92 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Partly cloudy, with a low around 77. Breezy, with a south wind 14 to 20 mph, with gusts as high as 29 mph.

    Low: 77 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 94. Heat index values as high as 103. Breezy, with a south southwest wind 14 to 18 mph, with gusts as high as 29 mph.

    High: 94 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. Breezy, with a south southwest wind 13 to 16 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Breezy, with a south southwest wind 13 to 17 mph, with gusts as high as 28 mph.

    High: 93 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 76. Breezy.

    Low: 76 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.

    High: 92 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 92. Heat index values as high as 102. Windy, with a south wind around 22 mph, with gusts as high as 32 mph.
Tonight
Partly cloudy, with a low around 77. Breezy, with a south wind 14 to 20 mph, with gusts as high as 29 mph.
Tuesday
Sunny, with a high near 94. Heat index values as high as 103. Breezy, with a south southwest wind 14 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly clear, with a low around 75. Breezy, with a south southwest wind 13 to 16 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 93. Breezy, with a south southwest wind 13 to 17 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 76. Breezy.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74.
Friday
Mostly sunny, with a high near 92.
Friday Night
Partly cloudy, with a low around 72.
Independence Day
Mostly sunny, with a high near 92.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ottumwa Industrial Airport IA
 41.09°N 92.44°W
Last Update:
3:13 pm CDT Jun 29, 2026
Forecast Valid:
4pm CDT Jun 29, 2026-6pm CDT Jul 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation