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

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

A Few Clouds

41°F

5°C

Humidity 96%
Wind Speed W 5 mph
Barometer 30.22 in (1023.3 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 7 Sep 4:53 am CDT
Extended Forecast for

Ottumwa IA

  • Today

    Today: Sunny, with a high near 72. Calm wind becoming northwest around 5 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 46. Light and variable wind becoming southeast around 6 mph in the evening.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80. South wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 56. South southeast wind around 8 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 80. South wind around 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 72. Calm wind becoming northwest around 5 mph.
Tonight
Mostly clear, with a low around 46. Light and variable wind becoming southeast around 6 mph in the evening.
Monday
Sunny, with a high near 80. South wind 6 to 10 mph, with gusts as high as 20 mph.
Monday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 56. South southeast wind around 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 80. South wind around 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 63.
Friday
Mostly sunny, with a high near 91.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ottumwa IA
 41.02°N 92.42°W
Last Update:
4:36 am CDT Sep 7, 2025
Forecast Valid:
5am CDT Sep 7, 2025-6pm CDT Sep 13, 2025
 
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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