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.

Fair

61°F

16°C

Humidity 75%
Wind Speed SW 5 mph
Barometer 30.08 in (1018.0 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 25 May 3:53 am CDT
Extended Forecast for

Ottumwa IA

  • Memorial Day

    Memorial Day: Sunny, with a high near 85. South wind 7 to 14 mph, with gusts as high as 22 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 57. South wind 5 to 9 mph becoming light south southeast after midnight. Winds could gust as high as 20 mph.

    Low: 57 °F

    Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 87. South southeast wind 3 to 7 mph.

    High: 87 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59. Southeast wind around 6 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. Calm wind becoming east southeast 5 to 8 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Memorial Day
Sunny, with a high near 85. South wind 7 to 14 mph, with gusts as high as 22 mph.
Tonight
Clear, with a low around 57. South wind 5 to 9 mph becoming light south southeast after midnight. Winds could gust as high as 20 mph.
Tuesday
Increasing clouds, with a high near 87. South southeast wind 3 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 59. Southeast wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 86. Calm wind becoming east southeast 5 to 8 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ottumwa IA
 41.02°N 92.42°W
Last Update:
2:57 am CDT May 25, 2026
Forecast Valid:
4am CDT May 25, 2026-6pm CDT May 31, 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

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation