Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Fair

57°F

14°C

Humidity 33%
Wind Speed SE 12 mph
Barometer 30.13 in (1020.7 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 24 Mar 4:53 pm CDT
Extended Forecast for

Thornburg IA

  • Tonight

    Tonight: Partly cloudy, with a low around 41. Southeast wind 5 to 10 mph.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. South wind around 5 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 78. Breezy, with a southwest wind 5 to 10 mph becoming north 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34. Breezy.

    Low: 34 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 26.

    Low: 26 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 41. Southeast wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 77. South wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 51. South wind around 5 mph.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. Breezy, with a southwest wind 5 to 10 mph becoming north 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
Mostly cloudy, with a low around 34. Breezy.
Friday
Sunny, with a high near 50.
Friday Night
Clear, with a low around 26.
Saturday
Sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 76.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 52.
Tuesday
A 30 percent chance of rain. Partly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Thornburg IA
 41.46°N 92.35°W (Elev. 902 ft)
3:41 pm CDT Mar 24, 2026
5pm CDT Mar 24, 2026-6pm CDT Mar 31, 2026
 
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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