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

35°F

2°C

Humidity 59%
Wind Speed NE 7 mph
Barometer 30.10 in (1019.9 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 14 Mar 1:53 am CDT
Extended Forecast for

4 Miles S Blakesburg IA

  • Overnight

    Overnight: A slight chance of rain before 3am, then a slight chance of snow between 3am and 4am. Mostly cloudy, with a steady temperature around 35. East wind around 6 mph. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Rain/Snow

  • Saturday

    Saturday: Partly sunny, with a high near 56. Breezy, with an east southeast wind 8 to 17 mph, with gusts as high as 26 mph.

    High: 56 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: A chance of rain between 1am and 4am, then a chance of rain and thunderstorms after 4am. Increasing clouds, with a steady temperature around 51. Breezy, with an east southeast wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Rain and
    Breezy

  • Sunday

    Sunday: Rain before 4pm, then snow, possibly mixed with rain. Some thunder is also possible. Temperature rising to near 58 by 10am, then falling to around 37 during the remainder of the day. Windy, with a south wind 16 to 21 mph becoming north northwest 24 to 29 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 58 °F⇓

    Rain and
    Breezy then
    Rain/Snow and
    Windy

  • Sunday Night

    Sunday Night: Snow, possibly mixed with rain, becoming all snow after 7pm. The snow could be heavy at times. Widespread blowing snow, mainly after 1am. Low around 9. Windy, with a north northwest wind around 31 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    Low: 9 °F

    Rain/Snow 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 40 percent chance of snow before 1am. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance Snow

Detailed Forecast

Overnight
A slight chance of rain before 3am, then a slight chance of snow between 3am and 4am. Mostly cloudy, with a steady temperature around 35. East wind around 6 mph. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 56. Breezy, with an east southeast wind 8 to 17 mph, with gusts as high as 26 mph.
Saturday Night
A chance of rain between 1am and 4am, then a chance of rain and thunderstorms after 4am. Increasing clouds, with a steady temperature around 51. Breezy, with an east southeast wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Rain before 4pm, then snow, possibly mixed with rain. Some thunder is also possible. Temperature rising to near 58 by 10am, then falling to around 37 during the remainder of the day. Windy, with a south wind 16 to 21 mph becoming north northwest 24 to 29 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday Night
Snow, possibly mixed with rain, becoming all snow after 7pm. The snow could be heavy at times. Widespread blowing snow, mainly after 1am. Low around 9. Windy, with a north northwest wind around 31 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 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 40 percent chance of snow before 1am. Mostly cloudy, with a low around 26.
Wednesday
Mostly sunny, with a high near 57.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 66.
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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:
1:27 am CDT Mar 14, 2026
Forecast Valid:
2am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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