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

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Fair

66°F

19°C

Humidity 68%
Wind Speed NE 5 mph
Barometer 30.14 in (1020.2 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 22 Jul 9:53 pm CDT
Extended Forecast for

4 Miles ESE Blakesburg IA

  • Tonight

    Tonight: Mostly clear, with a low around 57. Light east wind.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 81. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 81 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 40 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 62. South southeast wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 76. South southeast wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 63. South southeast wind 5 to 8 mph.

    Low: 63 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 57. Light east wind.
Thursday
Increasing clouds, with a high near 81. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
A 40 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 62. South southeast wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 76. South southeast wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 63. South southeast wind 5 to 8 mph.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Sunny, with a high near 96.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Blakesburg IA
 40.94°N 92.56°W
Last Update:
9:57 pm CDT Jul 22, 2026
Forecast Valid:
10pm CDT Jul 22, 2026-6pm CDT Jul 29, 2026
 
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