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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 8 mph
Barometer 30.02 in (1016.0 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 24 Jul 11:53 pm CDT
Extended Forecast for

4 Miles N 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. Cloudy, with a low around 66. South wind around 6 mph.

    Low: 66 °F

    Slight Chance
    Drizzle

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 101. Light south wind.

    High: 90 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. South southwest wind 3 to 5 mph.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy through mid morning, then becoming sunny, with a high near 95. Heat index values as high as 106. South southwest wind 5 to 8 mph.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. South wind around 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    Partly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Sunny, with a high near 96. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 96 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Tuesday Night

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

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of drizzle. Cloudy, with a low around 66. South wind around 6 mph.
Saturday
Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 101. Light south wind.
Saturday Night
Partly cloudy, with a low around 71. South southwest wind 3 to 5 mph.
Sunday
Mostly cloudy through mid morning, then becoming sunny, with a high near 95. Heat index values as high as 106. South southwest wind 5 to 8 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. South wind around 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Sunny, with a high near 96. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 70.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 70.
Friday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Ottumwa IA
 41.07°N 92.41°W
Last Update:
9:43 pm CDT Jul 24, 2026
Forecast Valid:
12am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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