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.

A Few Clouds

48°F

9°C

Humidity 74%
Wind Speed Calm
Barometer 30.06 in (1017.7 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 9 Apr 1:53 am CDT
Extended Forecast for

Ottumwa IA

  • Overnight

    Overnight: Isolated showers before 4am. Mostly cloudy, with a low around 48. West wind around 6 mph becoming calm. Chance of precipitation is 20%.

    Low: 48 °F

    Isolated
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 68. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 3am, then a chance of showers and thunderstorms between 3am and 4am, then a slight chance of showers after 4am. Low around 45. East northeast wind around 8 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 45 °F

    Showers

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 60. North northeast wind around 9 mph.

    High: 60 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 43. East wind around 6 mph.

    Low: 43 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.

    Low: 59 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. Breezy. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 63. Breezy.

    Low: 63 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Overnight
Isolated showers before 4am. Mostly cloudy, with a low around 48. West wind around 6 mph becoming calm. Chance of precipitation is 20%.
Thursday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 68. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm before 3am, then a chance of showers and thunderstorms between 3am and 4am, then a slight chance of showers after 4am. Low around 45. East northeast wind around 8 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Friday
A 20 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 60. North northeast wind around 9 mph.
Friday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 43. East wind around 6 mph.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. Breezy. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 63. Breezy.
Monday
Partly sunny, with a high near 82. Windy.
Monday Night
Showers likely. Partly cloudy, with a low around 63. Breezy. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. Breezy. Chance of precipitation is 70%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 68.
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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:
1:26 am CDT Apr 9, 2026
Forecast Valid:
2am CDT Apr 9, 2026-6pm CDT Apr 15, 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