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Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

A Few Clouds

84°F

29°C

Humidity 49%
Wind Speed SE 8 mph
Barometer 29.94 in (1013.3 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 3 Aug 4:53 pm CDT
Extended Forecast for

Ottumwa IA

  • Tonight

    Tonight: Mostly clear, with a low around 65. South southeast wind 5 to 7 mph.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90. South southwest wind 3 to 6 mph.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 65. Northeast wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 78. Northeast wind 3 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 78 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 61. North northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 61 °F

    Showers
    Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 65. South southeast wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 90. South southwest wind 3 to 6 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 65. Northeast wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 78. Northeast wind 3 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 61. North northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny, with a high near 91.
Sunday Night
Partly cloudy, with a low around 71.
Monday
Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ottumwa IA
 41.02°N 92.42°W
Last Update:
5:31 pm CDT Aug 3, 2026
Forecast Valid:
5pm CDT Aug 3, 2026-6pm CDT Aug 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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