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

49°F

9°C

Humidity 39%
Wind Speed SE 10 mph
Barometer 30.22 in (1023.7 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 24 Mar 11:53 am CDT
Extended Forecast for

4 Miles S Blakesburg IA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 61. South wind around 10 mph.

    High: 61 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Southeast wind 6 to 8 mph.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 78. South southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 78 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. South wind 6 to 8 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 82. Breezy, with a south southwest wind 10 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 30%.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 38. Breezy. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 38 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 61. South wind around 10 mph.
Tonight
Partly cloudy, with a low around 44. Southeast wind 6 to 8 mph.
Wednesday
Partly sunny, with a high near 78. South southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 56. South wind 6 to 8 mph.
Thursday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 82. Breezy, with a south southwest wind 10 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 38. Breezy. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 50.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Blakesburg IA
 40.9°N 92.65°W
Last Update:
6:47 am CDT Mar 24, 2026
Forecast Valid:
12pm CDT Mar 24, 2026-6pm CDT Mar 30, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation