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.

Mostly Cloudy

62°F

17°C

Humidity 84%
Wind Speed S 10 mph
Barometer 29.74 in (1007.0 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 6 Mar 7:53 pm CST
Extended Forecast for

Thornburg IA

  • Tonight

    Tonight: Rain and possibly a thunderstorm before 4am, then isolated showers and thunderstorms between 4am and 5am. Low around 38. South wind around 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 38 °F

    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 47. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 47 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Tuesday

    Tuesday: A chance of rain, with thunderstorms also possible after noon. Mostly sunny, with a high near 62. Chance of precipitation is 50%.

    High: 62 °F

    Chance Rain
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

Detailed Forecast

Tonight
Rain and possibly a thunderstorm before 4am, then isolated showers and thunderstorms between 4am and 5am. Low around 38. South wind around 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Partly sunny, with a high near 47. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 33. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 63. Southwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Clear, with a low around 44.
Monday
Sunny, with a high near 69.
Monday Night
Clear, with a low around 41.
Tuesday
A chance of rain, with thunderstorms also possible after noon. Mostly sunny, with a high near 62. Chance of precipitation is 50%.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 33.
Wednesday
Partly sunny, with a high near 50.
Wednesday Night
Mostly clear, with a low around 28.
Thursday
Mostly sunny, with a high near 55.
Thursday Night
Mostly cloudy, with a low around 38.
Friday
Mostly cloudy, with a high near 62.
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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:
6:41 pm CST Mar 6, 2026
Forecast Valid:
8pm CST Mar 6, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation