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

41°F

5°C

Humidity 65%
Wind Speed S 20 mph
Barometer 30.12 in (1020.3 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 8 Apr 1:53 am CDT
Extended Forecast for

Thornburg IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. South wind around 15 mph, with gusts as high as 30 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 72. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph.

    High: 72 °F

    Breezy.
    Decreasing
    Clouds then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 43. Breezy, with a southwest wind 15 to 20 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 70%.

    Low: 43 °F

    Showers
    Likely and
    Breezy then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 63. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 50%.

    High: 63 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then showers after 1am. Low around 43. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 43 °F

    Showers

  • Friday

    Friday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 63.

    High: 63 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. South wind around 15 mph, with gusts as high as 30 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 72. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph.
Wednesday Night
Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 43. Breezy, with a southwest wind 15 to 20 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 70%.
Thursday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 63. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 50%.
Thursday Night
Showers before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then showers after 1am. Low around 43. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Partly sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 41.
Saturday
A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 63.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55.
Sunday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 73. Breezy. Chance of precipitation is 60%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 61. Breezy. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 79. Breezy.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Breezy. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 63. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Thornburg IA
 41.46°N 92.35°W (Elev. 902 ft)
Last Update:
1:26 am CDT Apr 8, 2026
Forecast Valid:
2am CDT Apr 8, 2026-6pm CDT Apr 14, 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