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

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Fair

51°F

11°C

Humidity 26%
Wind Speed W 17 G 31 mph
Barometer 30.10 in (1019.8 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 18 Apr 5:53 pm CDT
Extended Forecast for

Ottumwa IA

  • Tonight

    Tonight: Areas of frost after 5am. Otherwise, mostly clear, with a low around 35. Breezy, with a west wind 6 to 16 mph, with gusts as high as 26 mph.

    Low: 35 °F

    Mostly Clear
    and Breezy
    then Areas
    Frost

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, sunny, with a high near 58. Breezy, with a west southwest wind 6 to 16 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 58 °F

    Areas Frost
    then Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32. North wind 5 to 9 mph becoming light and variable after midnight.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 64. Southeast wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51. South southeast wind around 10 mph, with gusts as high as 21 mph.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
Areas of frost after 5am. Otherwise, mostly clear, with a low around 35. Breezy, with a west wind 6 to 16 mph, with gusts as high as 26 mph.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 58. Breezy, with a west southwest wind 6 to 16 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Mostly clear, with a low around 32. North wind 5 to 9 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 64. Southeast wind 5 to 11 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 51. South southeast wind around 10 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 79. Breezy.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Breezy. Chance of precipitation is 70%.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 65.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ottumwa IA
 41.02°N 92.42°W
Last Update:
4:07 pm CDT Apr 18, 2026
Forecast Valid:
6pm CDT Apr 18, 2026-6pm CDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation