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

62°F

17°C

Humidity 29%
Wind Speed N 7 mph
Barometer 29.93 in (1013.8 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 15 Feb 1:53 pm CST
Extended Forecast for

Delta IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 61. Northwest wind around 5 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 41. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Cloudy through mid morning, then gradual clearing, with a high near 65. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 65 °F

    Gradual
    Clearing

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42. South wind around 5 mph.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 66. Breezy.

    High: 66 °F

    Mostly Cloudy
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 62. Breezy.

    High: 62 °F

    Sunny and
    Breezy

  • Wednesday Night

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

    Low: 33 °F

    Mostly Clear

  • Thursday

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

    High: 54 °F

    Partly Sunny
    then Chance
    Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 61. Northwest wind around 5 mph.
Tonight
Increasing clouds, with a low around 41. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Washington's Birthday
Cloudy through mid morning, then gradual clearing, with a high near 65. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 42. South wind around 5 mph.
Tuesday
Partly sunny, with a high near 66. Breezy.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Sunny, with a high near 62. Breezy.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
A 30 percent chance of rain after noon. Partly sunny, with a high near 54.
Thursday Night
A chance of rain before midnight, then a chance of rain and snow. Partly cloudy, with a low around 26. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 39.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Mostly sunny, with a high near 39.
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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:
10:46 am CST Feb 15, 2026
Forecast Valid:
2pm CST Feb 15, 2026-6pm CST Feb 21, 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