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

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Light Rain

59°F

15°C

Humidity 69%
Wind Speed E 12 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 22 May 10:53 am CDT
Extended Forecast for

Ottumwa IA

  • Today

    Today: A slight chance of showers between noon and 1pm. Mostly cloudy, with a high near 71. East southeast wind around 9 mph. Chance of precipitation is 20%.

    High: 71 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. East southeast wind 5 to 7 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 77. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 77 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 54. West northwest wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 81. Light and variable wind.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers between noon and 1pm. Mostly cloudy, with a high near 71. East southeast wind around 9 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 54. East southeast wind 5 to 7 mph becoming calm in the evening.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 77. Calm wind becoming west 5 to 7 mph in the afternoon.
Saturday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 54. West northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 81. Light and variable wind.
Sunday Night
Mostly clear, with a low around 55.
Memorial Day
Sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 62.
Wednesday
A 50 percent chance of showers. Mostly sunny, with a high near 84.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ottumwa IA
 41.02°N 92.42°W
Last Update:
10:47 am CDT May 22, 2026
Forecast Valid:
11am CDT May 22, 2026-6pm CDT May 28, 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