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.

Overcast

41°F

5°C

Humidity 60%
Wind Speed SE 15 mph
Barometer 30.25 in (1025.2 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 7 Apr 6:53 pm CDT
Extended Forecast for

Ottumwa IA

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 8pm. Mostly cloudy, with a low around 40. East southeast wind around 14 mph, with gusts as high as 26 mph.

    Low: 40 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 72. Windy, with a south southwest wind 14 to 22 mph, with gusts as high as 36 mph.

    High: 72 °F

    Windy. Mostly
    Sunny then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 46. South southwest wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm, mainly after 4pm. Partly sunny, with a high near 66. North northwest wind 5 to 7 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Mostly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 46. East southeast wind around 7 mph becoming north after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 46 °F

    Showers

  • Friday

    Friday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 60. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers. Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly before 8pm. Mostly cloudy, with a low around 40. East southeast wind around 14 mph, with gusts as high as 26 mph.
Wednesday
A 20 percent chance of showers after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 72. Windy, with a south southwest wind 14 to 22 mph, with gusts as high as 36 mph.
Wednesday Night
A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 46. South southwest wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely and possibly a thunderstorm, mainly after 4pm. Partly sunny, with a high near 66. North northwest wind 5 to 7 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm. Low around 46. East southeast wind around 7 mph becoming north after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 60. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 43.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 66.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 57.
Sunday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 74. Breezy. Chance of precipitation is 60%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 62. Breezy. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers. Mostly sunny, with a high near 81. Breezy.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Ottumwa IA
 41.02°N 92.42°W
Last Update:
7:43 pm CDT Apr 7, 2026
Forecast Valid:
7pm CDT Apr 7, 2026-6pm CDT Apr 14, 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