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

70°F

21°C

Humidity 82%
Wind Speed S 16 mph
Barometer 29.74 in (1006.5 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 14 Apr 8:53 am CDT
Extended Forecast for

Thornburg IA

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 82. South wind around 15 mph, with gusts as high as 25 mph.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly between midnight and 4am. Mostly cloudy, with a low around 61. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 76. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers
    Likely then
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 53 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. Breezy.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 41. Chance of precipitation is 80%.

    Low: 41 °F

    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 53. Breezy.

    High: 53 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 82. South wind around 15 mph, with gusts as high as 25 mph.
Tonight
Showers and thunderstorms likely, mainly between midnight and 4am. Mostly cloudy, with a low around 61. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 76. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 55.
Friday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. Breezy.
Friday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 41. Chance of precipitation is 80%.
Saturday
Partly sunny, with a high near 53. Breezy.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Thornburg IA
 41.46°N 92.35°W (Elev. 902 ft)
Last Update:
4:41 am CDT Apr 14, 2026
Forecast Valid:
9am CDT Apr 14, 2026-6pm CDT Apr 20, 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