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

42°F

6°C

Humidity 62%
Wind Speed SW 9 mph
Barometer 30.07 in (1018.8 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 12 Jan 5:53 pm CST
Extended Forecast for

Ottumwa IA

  • Tonight

    Tonight: Partly cloudy, with a low around 35. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 5pm. Partly sunny, with a high near 55. West wind 11 to 15 mph, with gusts as high as 26 mph.

    High: 55 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. Blustery, with a northwest wind 11 to 17 mph, with gusts as high as 30 mph.

    Low: 28 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 25 by 5pm. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 32 mph.

    High: 31 °F⇓

    Decreasing
    Clouds and
    Blustery

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 14. North northwest wind 5 to 14 mph, with gusts as high as 23 mph.

    Low: 14 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of snow after noon. Partly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 37. Breezy.

    High: 37 °F

    Chance Snow
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 35. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Tuesday
A 20 percent chance of rain after 5pm. Partly sunny, with a high near 55. West wind 11 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 28. Blustery, with a northwest wind 11 to 17 mph, with gusts as high as 30 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 25 by 5pm. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 32 mph.
Wednesday Night
Mostly clear, with a low around 14. North northwest wind 5 to 14 mph, with gusts as high as 23 mph.
Thursday
A 20 percent chance of snow after noon. Partly sunny, with a high near 33.
Thursday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 27.
Friday
A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 37. Breezy.
Friday Night
Mostly cloudy, with a low around 12.
Saturday
Partly sunny, with a high near 20.
Saturday Night
Partly cloudy, with a low around 5.
Sunday
Mostly sunny, with a high near 21.
Sunday Night
Partly cloudy, with a low around 9.
M.L.King Day
Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ottumwa IA
 41.02°N 92.42°W
Last Update:
5:06 pm CST Jan 12, 2026
Forecast Valid:
6pm CST Jan 12, 2026-6pm CST Jan 19, 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