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

51°F

11°C

Humidity 83%
Wind Speed W 7 mph
Barometer 29.73 in (1006.4 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 10 Mar 2:53 am CDT
Extended Forecast for

4 Miles S Blakesburg IA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 52. South southwest wind around 6 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of rain and thunderstorms after 4pm. Increasing clouds, with a high near 73. Southwest wind 7 to 11 mph becoming east in the morning. Winds could gust as high as 20 mph.

    High: 73 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of rain and thunderstorms, then rain likely after 4am. Increasing clouds, with a low around 39. Northeast wind 8 to 13 mph becoming north northwest in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 39 °F

    Chance
    T-storms then
    Rain Likely

  • Wednesday

    Wednesday: Rain likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 48. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Rain Likely
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29. Northwest wind 5 to 11 mph, with gusts as high as 21 mph.

    Low: 29 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 55. Breezy.

    High: 55 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 40. Windy.

    Low: 40 °F

    Slight Chance
    Rain and
    Windy

  • Friday

    Friday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 52. South southwest wind around 6 mph.
Tuesday
A 20 percent chance of rain and thunderstorms after 4pm. Increasing clouds, with a high near 73. Southwest wind 7 to 11 mph becoming east in the morning. Winds could gust as high as 20 mph.
Tuesday Night
A chance of rain and thunderstorms, then rain likely after 4am. Increasing clouds, with a low around 39. Northeast wind 8 to 13 mph becoming north northwest in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 48. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Mostly clear, with a low around 29. Northwest wind 5 to 11 mph, with gusts as high as 21 mph.
Thursday
Partly sunny, with a high near 55. Breezy.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 40. Windy.
Friday
Mostly cloudy, with a high near 53.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Mostly cloudy, with a high near 63.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 38.
Sunday
A 30 percent chance of rain. Mostly cloudy, with a high near 48. Windy.
Sunday Night
Partly cloudy, with a low around 20. Windy.
Monday
Mostly sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Blakesburg IA
 40.9°N 92.65°W
Last Update:
1:26 am CDT Mar 10, 2026
Forecast Valid:
3am CDT Mar 10, 2026-6pm CDT Mar 16, 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