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.

Fair

33°F

1°C

Humidity 72%
Wind Speed NE 6 mph
Barometer 30.43 in (1031.2 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 23 Mar 8:53 am CDT
Extended Forecast for

Ottumwa IA

  • Today

    Today: Mostly sunny, with a high near 53. North northeast wind 5 to 7 mph becoming east southeast in the afternoon.

    High: 53 °F

    Mostly Sunny

  • Tonight

    Tonight: Isolated sprinkles between 10pm and 3am. Mostly cloudy, with a low around 37. South southeast wind around 7 mph.

    Low: 37 °F

    Isolated
    Sprinkles

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62. South wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43. South southeast wind around 7 mph.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 76. South southwest wind 7 to 10 mph.

    High: 76 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after 1pm. Partly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain before 1am, then a slight chance of rain and snow. Mostly cloudy, with a low around 36. Breezy. Chance of precipitation is 30%.

    Low: 36 °F

    Chance Rain
    and Breezy
    then Chance
    Rain/Snow

  • Friday

    Friday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 53. North northeast wind 5 to 7 mph becoming east southeast in the afternoon.
Tonight
Isolated sprinkles between 10pm and 3am. Mostly cloudy, with a low around 37. South southeast wind around 7 mph.
Tuesday
Mostly sunny, with a high near 62. South wind 7 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 43. South southeast wind around 7 mph.
Wednesday
Partly sunny, with a high near 76. South southwest wind 7 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
A 20 percent chance of rain after 1pm. Partly sunny, with a high near 81.
Thursday Night
A chance of rain before 1am, then a slight chance of rain and snow. Mostly cloudy, with a low around 36. Breezy. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 50.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ottumwa IA
 41.02°N 92.42°W
Last Update:
7:47 am CDT Mar 23, 2026
Forecast Valid:
9am CDT Mar 23, 2026-6pm CDT Mar 29, 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