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

Ottumwa IA

Heat Advisory September 2, 01:16am until September 3, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 2, 01:16am until September 3, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • Overnight

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Heat index values as high as 102. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78. South wind 5 to 7 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

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

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. South wind 3 to 5 mph.

    Low: 76 °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

Overnight
Mostly clear, with a low around 76. South wind around 7 mph.
Wednesday
Sunny, with a high near 95. Heat index values as high as 102. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 78. South wind 5 to 7 mph.
Thursday
Sunny, with a high near 94. Heat index values as high as 105. South southwest wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 76. 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 70.
Labor Day
Partly sunny, with a high near 87.
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:
Ottumwa IA
 41°N 92.42°W
10:36 pm CDT Sep 1, 2026
1am CDT Sep 2, 2026-6pm CDT Sep 8, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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