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

56°F

13°C

Humidity 81%
Wind Speed SE 18 G 29 mph
Barometer 30.11 in (1020.0 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 11 Apr 4:53 pm CDT
Extended Forecast for

Ottumwa IA

  • This Afternoon

    This Afternoon: A 40 percent chance of showers. Mostly cloudy, with a high near 58. Southeast wind around 14 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 11pm and 4am. Mostly cloudy, with a temperature falling to near 57 by 8pm, then rising to around 61 during the remainder of the night. Southeast wind 10 to 14 mph, with gusts as high as 24 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F⇑

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 73. Windy, with a south southwest wind 14 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Windy. Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm, mainly before 1am, then a chance of showers and thunderstorms after 1am. Low around 61. South southwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers

  • Monday

    Monday: Partly sunny, with a high near 79. Breezy, with a south southwest wind 9 to 16 mph, with gusts as high as 28 mph.

    High: 79 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 86. Breezy.

    High: 86 °F

    Slight Chance
    T-storms then
    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. Breezy. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely and
    Breezy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 40 percent chance of showers. Mostly cloudy, with a high near 58. Southeast wind around 14 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 11pm and 4am. Mostly cloudy, with a temperature falling to near 57 by 8pm, then rising to around 61 during the remainder of the night. Southeast wind 10 to 14 mph, with gusts as high as 24 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 73. Windy, with a south southwest wind 14 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm, mainly before 1am, then a chance of showers and thunderstorms after 1am. Low around 61. South southwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Partly sunny, with a high near 79. Breezy, with a south southwest wind 9 to 16 mph, with gusts as high as 28 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 86. Breezy.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. Breezy. Chance of precipitation is 60%.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Wednesday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 55.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 59.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. Breezy.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 44.
Saturday
A chance of showers. Partly 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:
2:46 pm CDT Apr 11, 2026
Forecast Valid:
5pm CDT Apr 11, 2026-6pm CDT Apr 18, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation