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Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Mostly Cloudy

78°F

26°C

Humidity 58%
Wind Speed S 16 G 33 mph
Barometer 29.56 in (1000.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 23 Apr 5:53 pm CDT
Extended Forecast for

Thornburg IA

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Low around 50. Breezy, with a south wind 10 to 20 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 50 °F

    T-storms and
    Breezy

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 66. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 66 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 42. North wind 5 to 10 mph.

    Low: 42 °F

    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 70. East wind 5 to 10 mph.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 55. Breezy. Chance of precipitation is 80%.

    Low: 55 °F

    Chance
    T-storms then
    Showers and
    Breezy

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 72. Breezy. Chance of precipitation is 90%.

    High: 72 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: A 30 percent chance of showers before 1am. Partly cloudy, with a low around 45. Breezy.

    Low: 45 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
Showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Low around 50. Breezy, with a south wind 10 to 20 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Partly sunny, then gradually becoming sunny, with a high near 66. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Clear, with a low around 42. North wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 70. East wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 49.
Sunday
Partly sunny, with a high near 70.
Sunday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 55. Breezy. Chance of precipitation is 80%.
Monday
Showers and possibly a thunderstorm. High near 72. Breezy. Chance of precipitation is 90%.
Monday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 45. Breezy.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Sunny, with a high near 64.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 40.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Thornburg IA
 41.46°N 92.35°W (Elev. 902 ft)
Last Update:
2:26 pm CDT Apr 23, 2026
Forecast Valid:
6pm CDT Apr 23, 2026-6pm CDT Apr 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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