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

59°F

15°C

Humidity 41%
Wind Speed S 9 mph
Barometer 30.01 in (1016.6 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 13 Nov 4:53 pm CST
Extended Forecast for

Ottumwa IA

  • Tonight

    Tonight: Clear, with a low around 44. South wind 3 to 6 mph.

    Low: 44 °F

    Clear

  • Friday

    Friday: Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 73. Light south southeast wind becoming south southwest 5 to 9 mph in the morning.

    High: 73 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 55. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 69. West southwest wind 10 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 69 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. North northwest wind 5 to 9 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of rain after noon. Partly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny
    then Chance
    Rain

  • Monday Night

    Monday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

Detailed Forecast

Tonight
Clear, with a low around 44. South wind 3 to 6 mph.
Friday
Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 73. Light south southeast wind becoming south southwest 5 to 9 mph in the morning.
Friday Night
Mostly cloudy, with a low around 55. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 69. West southwest wind 10 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Mostly clear, with a low around 35. North northwest wind 5 to 9 mph.
Sunday
Sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 35.
Monday
A 30 percent chance of rain after noon. Partly sunny, with a high near 54.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 53.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 41.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ottumwa IA
 41°N 92.42°W
Last Update:
3:17 pm CST Nov 13, 2025
Forecast Valid:
5pm CST Nov 13, 2025-6pm CST Nov 20, 2025
 
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