National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Overcast

19°F

-7°C

Humidity 88%
Wind Speed Calm
Barometer 30.47 in (1033.2 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 1 Dec 12:53 am CST
Extended Forecast for

4 Miles S Blakesburg IA

Winter Weather Advisory December 1, 09:00am until December 1, 09:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Cloudy, with a steady temperature around 16. Calm wind.

    Low: 16 °F

    Cloudy

  • Monday

    Monday: Snow, mainly after 8am. The snow could be heavy at times. High near 24. Calm wind. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 24 °F

    Heavy Snow

  • Monday Night

    Monday Night: A 30 percent chance of snow before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 11. Wind chill values as low as 5. Calm wind becoming west around 5 mph after midnight. New snow accumulation of less than a half inch possible.

    Low: 11 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 29. Wind chill values as low as 5. South southwest wind 3 to 7 mph.

    High: 29 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21. South wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 33.

    High: 33 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around -6.

    Low: -6 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 12.

    High: 12 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -1.

    Low: -1 °F

    Partly Cloudy

Detailed Forecast

Overnight
Cloudy, with a steady temperature around 16. Calm wind.
Monday
Snow, mainly after 8am. The snow could be heavy at times. High near 24. Calm wind. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Monday Night
A 30 percent chance of snow before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 11. Wind chill values as low as 5. Calm wind becoming west around 5 mph after midnight. New snow accumulation of less than a half inch possible.
Tuesday
Mostly sunny, with a high near 29. Wind chill values as low as 5. South southwest wind 3 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 21. South wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly cloudy, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around -6.
Thursday
Sunny, with a high near 12.
Thursday Night
Partly cloudy, with a low around -1.
Friday
Mostly cloudy, with a high near 28.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Mostly cloudy, with a high near 31.
Saturday Night
Mostly cloudy, with a low around 16.
Sunday
Mostly cloudy, with a high near 26.
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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:
10:26 pm CST Nov 30, 2025
Forecast Valid:
1am CST Dec 1, 2025-6pm CST Dec 7, 2025
 
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