Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

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

Ottumwa IA

  • Tonight

    Tonight: Partly cloudy, with a low around 69. Light south southwest wind.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 86. Northwest wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. North northwest wind around 6 mph becoming calm  in the evening.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. North northwest wind 3 to 7 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 60. Light and variable wind.

    Low: 60 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm.  Partly sunny, with a high near 87.

    High: 87 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 69. Light south southwest wind.
Wednesday
Sunny, with a high near 86. Northwest wind 5 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 63. North northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 84. North northwest wind 3 to 7 mph.
Thursday Night
Clear, with a low around 60. Light and variable wind.
Friday
Sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 64.
Saturday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Mostly sunny, with a high near 91.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 72.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 70.
Tuesday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Ottumwa IA
 41.02°N 92.42°W
10:12 pm CDT Aug 25, 2026
11pm CDT Aug 25, 2026-6pm CDT Sep 1, 2026
 
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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