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

83°F

28°C

Humidity 74%
Wind Speed NE 7 mph
Barometer 29.88 in (1010.9 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 28 Jul 6:53 pm CDT
Extended Forecast for

Blakesburg IA

  • Tonight

    Tonight: Patchy smoke before 2am. Partly cloudy, with a low around 70. Northeast wind around 6 mph becoming calm in the evening.

    Low: 70 °F

    Patchy Smoke

  • Wednesday

    Wednesday: Sunny, with a high near 89. Southeast wind 5 to 7 mph.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. Southeast wind 5 to 7 mph.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 88. South southeast wind 6 to 8 mph.

    High: 88 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A chance of showers, then showers and possibly a thunderstorm after 1am. Low around 68. South southeast wind 8 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 81 °F

    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Breezy.

    Low: 65 °F

    Chance
    Showers and
    Breezy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 79. Breezy.

    High: 79 °F

    Slight Chance
    T-storms and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy smoke before 2am. Partly cloudy, with a low around 70. Northeast wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 89. Southeast wind 5 to 7 mph.
Wednesday Night
Mostly clear, with a low around 68. Southeast wind 5 to 7 mph.
Thursday
Increasing clouds, with a high near 88. South southeast wind 6 to 8 mph.
Thursday Night
A chance of showers, then showers and possibly a thunderstorm after 1am. Low around 68. South southeast wind 8 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Breezy.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 79. Breezy.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 82.
Sunday Night
Clear, with a low around 64.
Monday
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Blakesburg IA
 40.96°N 92.62°W
Last Update:
4:12 pm CDT Jul 28, 2026
Forecast Valid:
7pm CDT Jul 28, 2026-6pm CDT Aug 4, 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