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

82°F

28°C

Humidity 26%
Wind Speed SW 17 mph
Barometer 29.53 in (999.6 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 4 May 2:53 pm CDT
Extended Forecast for

Agency IA

  • This Afternoon

    This Afternoon: A 10 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 81. West southwest wind around 13 mph, with gusts as high as 21 mph.

    High: 81 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Increasing clouds, with a low around 48. West wind 7 to 11 mph becoming north after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 40%.

    Low: 48 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 60. North wind 7 to 10 mph.

    High: 60 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 42. North wind 6 to 8 mph.

    Low: 42 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 57. North wind 6 to 10 mph.

    High: 57 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 10 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 81. West southwest wind around 13 mph, with gusts as high as 21 mph.
Tonight
A chance of showers and thunderstorms. Increasing clouds, with a low around 48. West wind 7 to 11 mph becoming north after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 40%.
Tuesday
A 30 percent chance of showers, mainly after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 60. North wind 7 to 10 mph.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 42. North wind 6 to 8 mph.
Wednesday
Mostly cloudy, with a high near 57. North wind 6 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Partly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Sunny, with a high near 75.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 52.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 68.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Agency IA
 41°N 92.3°W
Last Update:
1:37 pm CDT May 4, 2026
Forecast Valid:
3pm CDT May 4, 2026-6pm CDT May 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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