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.

Fair

48°F

9°C

Humidity 34%
Wind Speed W 15 mph
Barometer 29.53 in (1000.5 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 24 Feb 12:53 pm CST
Extended Forecast for

Thornburg IA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a steady temperature around 42. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 42 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 21. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 21 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Mostly sunny, with a high near 37. Northwest wind 5 to 10 mph.

    High: 37 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A chance of snow before 3am, then a chance of snow and freezing rain. Mostly cloudy, with a low around 23. North wind around 5 mph becoming southeast after midnight. Chance of precipitation is 40%.

    Low: 23 °F

    Chance Snow
    then Chance
    Wintry Mix

  • Thursday

    Thursday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a steady temperature around 42. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 21. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 37. Northwest wind 5 to 10 mph.
Wednesday Night
A chance of snow before 3am, then a chance of snow and freezing rain. Mostly cloudy, with a low around 23. North wind around 5 mph becoming southeast after midnight. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 44.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 27.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 32.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 19.
Monday
Mostly cloudy, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thornburg IA
 41.46°N 92.35°W (Elev. 902 ft)
Last Update:
1:31 pm CST Feb 24, 2026
Forecast Valid:
1pm CST Feb 24, 2026-6pm CST Mar 2, 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