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Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Overcast

47°F

8°C

Humidity 86%
Wind Speed E 15 mph
Barometer 29.95 in (1014.5 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 3 Apr 11:53 am CDT
Extended Forecast for

Delta IA

  • This Afternoon

    This Afternoon: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 61. East wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 61 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Some of the storms could produce heavy rainfall. Low around 38. East wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 38 °F

    Heavy Rain
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 10 percent chance of showers after 5pm. Mostly cloudy, with a high near 49. Breezy, with a west wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 49 °F

    Breezy.
    Cloudy then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 31 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 61. East wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Tonight
Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Some of the storms could produce heavy rainfall. Low around 38. East wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Saturday
A 10 percent chance of showers after 5pm. Mostly cloudy, with a high near 49. Breezy, with a west wind 15 to 25 mph, with gusts as high as 35 mph.
Saturday Night
Partly cloudy, with a low around 31. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 33.
Monday
Partly sunny, with a high near 49.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Mostly cloudy, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 70. Breezy.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 46.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Delta IA
 41.33°N 92.32°W (Elev. 840 ft)
Last Update:
11:51 am CDT Apr 3, 2026
Forecast Valid:
12pm CDT Apr 3, 2026-6pm CDT Apr 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation