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

51°F

11°C

Humidity 80%
Wind Speed E 9 mph
Barometer 30.05 in (1017.9 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 9 Apr 6:53 pm CDT
Extended Forecast for

Ottumwa IA

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then scattered showers. Low around 45. North wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 45 °F

    Showers

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 60. North wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 60 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41. Northeast wind around 6 mph.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 64. Southeast wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 59. Southeast wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 72. Windy. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers
    Likely and
    Windy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Breezy. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. Breezy.

    High: 82 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: A 40 percent chance of showers. Partly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers and thunderstorms before 4am, then scattered showers. Low around 45. North wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 60. North wind 8 to 10 mph, with gusts as high as 18 mph.
Friday Night
Partly cloudy, with a low around 41. Northeast wind around 6 mph.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 64. Southeast wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 59. Southeast wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 72. Windy. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Breezy. Chance of precipitation is 40%.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. Breezy.
Monday Night
A 40 percent chance of showers. Partly cloudy, with a low around 66.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. Breezy. Chance of precipitation is 50%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 76.
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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:
5:43 pm CDT Apr 9, 2026
Forecast Valid:
7pm CDT Apr 9, 2026-6pm CDT Apr 16, 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