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.

A Few Clouds

84°F

29°C

Humidity 57%
Wind Speed SE 9 mph
Barometer 30.04 in (1016.7 mb)
Dewpoint 67°F (19°C)
Visibility 9.00 mi
Heat Index87°F (31°C)
Last update 14 Jul 1:53 pm CDT
Extended Forecast for

Thornburg IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. South wind around 5 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 66. South wind around 5 mph.

    Low: 66 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. South wind 5 to 10 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. South wind around 5 mph.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 65 °F

    T-storms
    Likely then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 77. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 87. South wind around 5 mph.
Tonight
Clear, with a low around 66. South wind around 5 mph.
Tuesday
Sunny, with a high near 88. South wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 71. South wind around 5 mph.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.
Wednesday Night
Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 77. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 62.
Friday
Partly sunny, with a high near 81.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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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:
2:16 pm CDT Jul 14, 2025
Forecast Valid:
2pm CDT Jul 14, 2025-6pm CDT Jul 20, 2025
 
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