Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

3 Miles SE Ottumwa IA

Heat Advisory September 1, 05:09pm until September 3, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 1, 05:09pm until September 3, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • Tonight

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Heat index values as high as 103. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South wind 5 to 7 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Heat index values as high as 105. Southwest wind 5 to 8 mph.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. South wind 3 to 5 mph.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm.  Mostly sunny, with a high near 94.

    High: 94 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 75. South wind around 7 mph.
Wednesday
Sunny, with a high near 95. Heat index values as high as 103. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 77. South wind 5 to 7 mph.
Thursday
Sunny, with a high near 94. Heat index values as high as 105. Southwest wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 75. South wind 3 to 5 mph.
Friday
Sunny, with a high near 93.
Friday Night
Partly cloudy, with a low around 74.
Saturday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 94.
Saturday Night
Partly cloudy, with a low around 72.
Sunday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 69.
Labor Day
Partly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Partly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Ottumwa IA
 40.98°N 92.39°W
3:26 pm CDT Sep 1, 2026
5pm CDT Sep 1, 2026-6pm CDT Sep 8, 2026
 
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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