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

30°F

-1°C

Humidity 82%
Wind Speed NW 9 mph
Barometer 29.69 in (1005.9 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 25 Feb 2:53 am CST
Extended Forecast for

4 Miles S Blakesburg IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 26. North northwest wind around 6 mph.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. North northwest wind around 6 mph.

    High: 42 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 3am. Mostly cloudy, with a low around 26. North northeast wind around 6 mph becoming east southeast after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Snow Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 50. East southeast wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32. Southwest wind 5 to 8 mph.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of snow before noon. Mostly sunny, with a high near 44.

    High: 44 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 26. North northwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 42. North northwest wind around 6 mph.
Wednesday Night
Snow likely, mainly before 3am. Mostly cloudy, with a low around 26. North northeast wind around 6 mph becoming east southeast after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Mostly sunny, with a high near 50. East southeast wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Mostly clear, with a low around 32. Southwest wind 5 to 8 mph.
Friday
Sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 30.
Saturday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 33.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 20.
Monday
A 30 percent chance of snow. Mostly cloudy, with a high near 36.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 22.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 40%.
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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:
12:31 am CST Feb 25, 2026
Forecast Valid:
3am CST Feb 25, 2026-6pm CST Mar 3, 2026
 
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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