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.

Mostly Cloudy

46°F

8°C

Humidity 93%
Wind Speed NW 3 mph
Barometer 30.11 in (1019.4 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 9 Apr 5:53 am CDT
Extended Forecast for

Ottumwa IA

  • Today

    Today: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 67. Calm wind becoming south southeast around 6 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: 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 wind around 8 mph becoming north after midnight. 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. East southeast wind 7 to 13 mph, with gusts as high as 22 mph. 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%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    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 and thunderstorms. Mostly cloudy, with a low around 63. Breezy.

    Low: 63 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: Partly sunny, with a high near 82. Windy.

    High: 82 °F

    Partly Sunny
    and Windy

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 67. Calm wind becoming south southeast around 6 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
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 wind around 8 mph becoming north after midnight. 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. East southeast wind 7 to 13 mph, with gusts as high as 22 mph. 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%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
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 and thunderstorms. Mostly cloudy, with a low around 63. Breezy.
Monday
Partly sunny, with a high near 82. Windy.
Monday Night
Showers likely, mainly after 1am. 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.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ottumwa IA
 41.02°N 92.42°W
Last Update:
6:21 am CDT Apr 9, 2026
Forecast Valid:
6am CDT Apr 9, 2026-6pm CDT Apr 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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