National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Fair with Haze

69°F

21°C

Humidity 73%
Wind Speed NE 6 mph
Barometer 30.31 in (1026.1 mb)
Dewpoint 60°F (16°C)
Visibility 6.00 mi
Last update 1 Aug 7:53 pm CDT
Extended Forecast for

Ottumwa IASimilar City Names

  • Tonight

    Tonight: Areas of smoke after 10pm. Mostly cloudy, with a low around 57. Northeast wind around 5 mph becoming calm after midnight.

    Low: 57 °F

    Areas Smoke

  • Saturday

    Saturday: Areas of smoke. Mostly sunny, with a high near 77. Calm wind becoming east around 6 mph in the morning.

    High: 77 °F

    Areas Smoke

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. East wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 78. Calm wind becoming east southeast around 6 mph in the afternoon.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. East wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
Areas of smoke after 10pm. Mostly cloudy, with a low around 57. Northeast wind around 5 mph becoming calm after midnight.
Saturday
Areas of smoke. Mostly sunny, with a high near 77. Calm wind becoming east around 6 mph in the morning.
Saturday Night
Partly cloudy, with a low around 55. East wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 78. Calm wind becoming east southeast around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 57. East wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 70.
Friday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ottumwa IASimilar City Names
 41.02°N 92.42°W
Last Update:
6:21 pm CDT Aug 1, 2025
Forecast Valid:
8pm CDT Aug 1, 2025-6pm CDT Aug 8, 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