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Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Overcast

68°F

20°C

Humidity 93%
Wind Speed S 6 mph
Barometer 30.00 in (1015.4 mb)
Dewpoint 66°F (19°C)
Visibility 8.00 mi
Last update 25 Jul 1:53 am CDT
Extended Forecast for

5 Miles SSW Ottumwa IA

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

  • Overnight

    Overnight: A slight chance of drizzle. Patchy fog after 4am. Otherwise, cloudy, with a low around 66. South southeast wind 3 to 5 mph.

    Low: 66 °F

    Slight Chance
    Drizzle and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 92. Heat index values as high as 102. Light south wind.

    High: 92 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. Light south southwest wind.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 97. Heat index values as high as 110. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 77. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of drizzle. Patchy fog after 4am. Otherwise, cloudy, with a low around 66. South southeast wind 3 to 5 mph.
Saturday
Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 92. Heat index values as high as 102. Light south wind.
Saturday Night
Mostly clear, with a low around 72. Light south southwest wind.
Sunday
Mostly sunny and hot, with a high near 97. Heat index values as high as 110. Light southwest wind increasing to 5 to 9 mph in the morning.
Sunday Night
Partly cloudy, with a low around 77. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
Mostly sunny, with a high near 92.
Thursday Night
Partly cloudy, with a low around 70.
Friday
Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Ottumwa IA
 40.96°N 92.45°W
Last Update:
1:56 am CDT Jul 25, 2026
Forecast Valid:
2am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

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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