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Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Partly Cloudy

85°F

29°C

Humidity 75%
Wind Speed S 8 mph
Barometer 29.90 in (1011.9 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 25 Jul 5:53 pm CDT
Extended Forecast for

6 Miles SSW Ottumwa IA

Extreme Heat Watch July 26, 09:00pm until July 27, 10:00pm
Extreme Heat Warning July 26, 12:00pm until July 26, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch
Extreme Heat Warning

  • Tonight

    Tonight: Increasing clouds, with a low around 73. Light south wind.

    Low: 73 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 8am. Mostly sunny and hot, with a high near 98. Heat index values as high as 113. Light southwest wind becoming west southwest 5 to 9 mph in the morning.

    High: 98 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 78. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing and hot, with a high near 98. Heat index values as high as 111. West southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. West wind 5 to 8 mph becoming north northwest after midnight.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 73. Light south wind.
Sunday
A 20 percent chance of showers and thunderstorms before 8am. Mostly sunny and hot, with a high near 98. Heat index values as high as 113. Light southwest wind becoming west southwest 5 to 9 mph in the morning.
Sunday Night
Partly cloudy, with a low around 78. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly cloudy through mid morning, then gradual clearing and hot, with a high near 98. Heat index values as high as 111. West southwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 74. West wind 5 to 8 mph becoming north northwest after midnight.
Tuesday
Mostly sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 69.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 68.
Saturday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Ottumwa IA
 40.94°N 92.48°W
Last Update:
6:07 pm CDT Jul 25, 2026
Forecast Valid:
6pm CDT Jul 25, 2026-6pm CDT Aug 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation