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

68°F

20°C

Humidity 40%
Wind Speed N 16 G 29 mph
Barometer 29.88 in (1011.5 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 31 Mar 4:53 pm CDT
Extended Forecast for

Ottumwa IA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 63. Breezy, with a north wind around 17 mph, with gusts as high as 26 mph.

    High: 63 °F

    Slight Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Increasing clouds, with a low around 44. North northeast wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Mostly Cloudy
    then Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 52. East wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 52 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Temperature falling to near 48 by 8pm, then rising to around 54 during the remainder of the night. East wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 48 °F⇑

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 72. Windy, with a south wind 14 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers and
    Windy

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 42. Chance of precipitation is 20%.

    Low: 42 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A 40 percent chance of rain and thunderstorms after 1pm. Partly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm. Low around 44. Chance of precipitation is 80%.

    Low: 44 °F

    T-storms

  • Saturday

    Saturday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 54. Breezy. Chance of precipitation is 60%.

    High: 54 °F

    Rain Likely
    and Breezy

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 63. Breezy, with a north wind around 17 mph, with gusts as high as 26 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Increasing clouds, with a low around 44. North northeast wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 52. East wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Temperature falling to near 48 by 8pm, then rising to around 54 during the remainder of the night. East wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Thursday
Showers and possibly a thunderstorm. High near 72. Windy, with a south wind 14 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 42. Chance of precipitation is 20%.
Friday
A 40 percent chance of rain and thunderstorms after 1pm. Partly sunny, with a high near 72.
Friday Night
Rain and possibly a thunderstorm. Low around 44. Chance of precipitation is 80%.
Saturday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 54. Breezy. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 32. Breezy.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 31.
Monday
Mostly sunny, with a high near 58.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 58.
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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:
1:16 pm CDT Mar 31, 2026
Forecast Valid:
5pm CDT Mar 31, 2026-6pm CDT Apr 7, 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