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.

Fog

46°F

8°C

Humidity 96%
Wind Speed SE 3 mph
Barometer 29.72 in (1006.3 mb)
Dewpoint 45°F (7°C)
Visibility 0.25 mi
Last update 10 Mar 6:53 am CDT
Extended Forecast for

Thornburg IA

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 66. Light and variable wind becoming east 5 to 10 mph in the morning.

    High: 66 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a chance of showers after 4am. Mostly cloudy, with a low around 37. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 37 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Rain likely, possibly mixing with snow after 9am, then gradually ending. Cloudy, then gradually becoming mostly sunny, with a high near 45. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Clear, with a low around 26. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Clear

  • Thursday

    Thursday: Partly sunny, with a high near 54. Breezy.

    High: 54 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 37. Breezy.

    Low: 37 °F

    Chance Rain
    and Breezy

  • Friday

    Friday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 66. Light and variable wind becoming east 5 to 10 mph in the morning.
Tonight
A chance of showers and thunderstorms before 10pm, then a chance of showers after 4am. Mostly cloudy, with a low around 37. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday
Rain likely, possibly mixing with snow after 9am, then gradually ending. Cloudy, then gradually becoming mostly sunny, with a high near 45. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
Clear, with a low around 26. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 54. Breezy.
Thursday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 37. Breezy.
Friday
Mostly cloudy, with a high near 50.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
Mostly cloudy, with a high near 58.
Saturday Night
A chance of rain and snow after 1am. Cloudy, with a low around 31. Chance of precipitation is 50%.
Sunday
Rain and snow likely. Cloudy, with a high near 41. Breezy. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around 13. Blustery.
Monday
Mostly sunny, with a high near 29.
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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:
5:31 am CDT Mar 10, 2026
Forecast Valid:
7am CDT Mar 10, 2026-6pm CDT Mar 16, 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