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.

Mostly Cloudy

37°F

3°C

Humidity 52%
Wind Speed NW 10 mph
Barometer 30.11 in (1020.2 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 13 Mar 9:53 pm CDT
Extended Forecast for

4 Miles S Blakesburg IA

  • Tonight

    Tonight: A slight chance of snow between 1am and 3am. Mostly cloudy, with a low around 32. Light and variable wind becoming east around 6 mph after midnight. Chance of precipitation is 20%.

    Low: 32 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 55. Breezy, with a southeast wind 8 to 16 mph, with gusts as high as 25 mph.

    High: 55 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: A 40 percent chance of rain after 1am. Increasing clouds, with a low around 47. East southeast wind around 15 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain before 4pm, then snow, possibly mixed with rain and sleet. Some thunder is also possible. Temperature falling to around 40 by 5pm. Windy, with a south wind 17 to 22 mph becoming northwest 24 to 29 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 90%. Little or no snow and sleet accumulation expected.

    High: 59 °F⇓

    Windy. Rain
    then Wintry
    Mix

  • Sunday Night

    Sunday Night: Snow, possibly mixed with rain and sleet, becoming all snow after 7pm. Widespread blowing snow, mainly after 1am. Low around 10. Windy, with a northwest wind 30 to 32 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow and sleet accumulation of 2 to 4 inches possible.

    Low: 10 °F

    Wintry Mix
    and Blowing
    Snow

  • Monday

    Monday: Patchy blowing snow before 8am. Partly sunny, with a high near 20. Windy.

    High: 20 °F

    Windy. Patchy
    Blowing Snow
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 4. Blustery.

    Low: 4 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.

    Low: 25 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
A slight chance of snow between 1am and 3am. Mostly cloudy, with a low around 32. Light and variable wind becoming east around 6 mph after midnight. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 55. Breezy, with a southeast wind 8 to 16 mph, with gusts as high as 25 mph.
Saturday Night
A 40 percent chance of rain after 1am. Increasing clouds, with a low around 47. East southeast wind around 15 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain before 4pm, then snow, possibly mixed with rain and sleet. Some thunder is also possible. Temperature falling to around 40 by 5pm. Windy, with a south wind 17 to 22 mph becoming northwest 24 to 29 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 90%. Little or no snow and sleet accumulation expected.
Sunday Night
Snow, possibly mixed with rain and sleet, becoming all snow after 7pm. Widespread blowing snow, mainly after 1am. Low around 10. Windy, with a northwest wind 30 to 32 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow and sleet accumulation of 2 to 4 inches possible.
Monday
Patchy blowing snow before 8am. Partly sunny, with a high near 20. Windy.
Monday Night
Mostly clear, with a low around 4. Blustery.
Tuesday
Partly sunny, with a high near 33.
Tuesday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
Wednesday
Sunny, with a high near 55.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 65.
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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:
9:08 pm CDT Mar 13, 2026
Forecast Valid:
10pm CDT Mar 13, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation