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

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Mostly Cloudy and Breezy

75°F

24°C

Humidity 71%
Wind Speed N 22 G 33 mph
Barometer 29.85 in (1010.2 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 1 Aug 12:53 pm CDT
Extended Forecast for

2 Miles SW Harper IA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms before 3pm. Mostly cloudy, with a high near 76. Breezy, with a north wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 76 °F

    Slight Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 62. North wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 62 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 80. North wind around 10 mph.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. Northeast wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 80.

    High: 80 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms before 3pm. Mostly cloudy, with a high near 76. Breezy, with a north wind 20 to 25 mph, with gusts as high as 35 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 62. North wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 80. North wind around 10 mph.
Sunday Night
Mostly clear, with a low around 60. Northeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Sunny, with a high near 84.
Tuesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 65.
Wednesday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 80.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Thursday
Partly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 65.
Friday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Harper IA
 41.35°N 92.09°W (Elev. 791 ft)
Last Update:
10:46 am CDT Aug 1, 2026
Forecast Valid:
1pm CDT Aug 1, 2026-6pm CDT Aug 7, 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