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

37°F

3°C

Humidity 62%
Wind Speed W 7 mph
Barometer 29.67 in (1005.2 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 24 Feb 10:53 pm CST
Extended Forecast for

Ottumwa IA

  • Tonight

    Tonight: Mostly clear early, then becoming mostly cloudy, with a low around 24. Northwest wind around 6 mph.

    Low: 24 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. North northwest wind around 6 mph.

    High: 42 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 4am. Mostly cloudy, with a low around 26. North wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Snow Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 48. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. Southwest wind around 6 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of snow before noon. Mostly sunny, with a high near 45.

    High: 45 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear early, then becoming mostly cloudy, with a low around 24. Northwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 42. North northwest wind around 6 mph.
Wednesday Night
Snow likely, mainly before 4am. Mostly cloudy, with a low around 26. North wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday
Mostly sunny, with a high near 48. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 30. Southwest wind around 6 mph.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 30.
Saturday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 35.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Monday
Mostly cloudy, with a high near 37.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ottumwa IA
 41.02°N 92.42°W
Last Update:
10:48 pm CST Feb 24, 2026
Forecast Valid:
11pm CST Feb 24, 2026-6pm CST Mar 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation