National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

A Few Clouds

54°F

12°C

Humidity 43%
Wind Speed W 18 G 29 mph
Barometer 30.30 in (1026.3 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 5 Apr 2:53 pm CDT
Extended Forecast for

Ottumwa IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 57. West northwest wind around 11 mph, with gusts as high as 21 mph.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. West southwest wind 6 to 9 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 50. North northwest wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 50 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of rain and snow showers between 1am and 4am, then a slight chance of snow showers after 4am. Mostly cloudy, with a low around 29. North northwest wind 7 to 9 mph becoming northeast after midnight. Chance of precipitation is 20%.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: A chance of snow showers before 1pm, then a chance of rain and snow showers between 1pm and 4pm, then a chance of rain showers after 4pm. Mostly cloudy, with a high near 43. East southeast wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 37. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers. Partly sunny, with a high near 71. Breezy.

    High: 71 °F

    Slight Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Breezy. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely and
    Breezy

  • Thursday

    Thursday: A 50 percent chance of showers. Partly sunny, with a high near 66.

    High: 66 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 57. West northwest wind around 11 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 36. West southwest wind 6 to 9 mph.
Monday
A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 50. North northwest wind 8 to 10 mph, with gusts as high as 18 mph.
Monday Night
A slight chance of rain and snow showers between 1am and 4am, then a slight chance of snow showers after 4am. Mostly cloudy, with a low around 29. North northwest wind 7 to 9 mph becoming northeast after midnight. Chance of precipitation is 20%.
Tuesday
A chance of snow showers before 1pm, then a chance of rain and snow showers between 1pm and 4pm, then a chance of rain showers after 4pm. Mostly cloudy, with a high near 43. East southeast wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Tuesday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 37. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 71. Breezy.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Breezy. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 66.
Thursday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 63.
Friday Night
Showers likely. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Saturday
Showers likely. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
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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:
1:51 pm CDT Apr 5, 2026
Forecast Valid:
3pm CDT Apr 5, 2026-6pm CDT Apr 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation