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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

4 Miles NE Ottumwa IA

Heat Advisory September 3, 12:06pm until September 4, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 3, 12:06pm until September 4, 07:00pm

    NOW until 7:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 95 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 76. South wind around 8 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 95. Heat index values as high as 105. Southwest wind 6 to 9 mph.

    High: 95 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. South southwest wind 3 to 5 mph.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93. Light and variable wind.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

    High: 89 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 95. Heat index values as high as 102. Southwest wind around 11 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 76. South wind around 8 mph.
Friday
Sunny, with a high near 95. Heat index values as high as 105. Southwest wind 6 to 9 mph.
Friday Night
Mostly clear, with a low around 74. South southwest wind 3 to 5 mph.
Saturday
Sunny, with a high near 93. Light and variable wind.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 70.
Labor Day
Mostly sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Mostly sunny, with a high near 93.
Tuesday Night
A 30 percent chance of showers. Mostly clear, with a low around 73.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Ottumwa IA
 41.07°N 92.39°W
Last Update:
11:27 am CDT Sep 3, 2026
Forecast Valid:
12pm CDT Sep 3, 2026-6pm CDT Sep 9, 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