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Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Fair

76°F

24°C

Humidity 85%
Wind Speed S 7 mph
Barometer 30.03 in (1015.9 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 16 Aug 1:53 am CDT
Extended Forecast for

3 Miles N Ottumwa IA

Heat Advisory August 16, 12:00pm until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Partly cloudy, with a low around 73. South southeast wind around 6 mph.

    Low: 73 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 95. Heat index values as high as 106. South southwest wind 7 to 11 mph.

    High: 95 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. South southwest wind around 6 mph.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93. Heat index values as high as 105. South southwest wind around 7 mph.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South wind around 6 mph.

    Low: 73 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 73. South southeast wind around 6 mph.
Saturday
Mostly sunny, with a high near 95. Heat index values as high as 106. South southwest wind 7 to 11 mph.
Saturday Night
Mostly clear, with a low around 73. South southwest wind around 6 mph.
Sunday
Sunny, with a high near 93. Heat index values as high as 105. South southwest wind around 7 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South wind around 6 mph.
Monday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 20%.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Ottumwa IA
 41.07°N 92.41°W
Last Update:
10:34 pm CDT Aug 15, 2025
Forecast Valid:
2am CDT Aug 16, 2025-6pm CDT Aug 22, 2025
 
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