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.

Overcast

42°F

6°C

Humidity 82%
Wind Speed NE 6 mph
Barometer 30.12 in (1020.4 mb)
Dewpoint 37°F (3°C)
Visibility 8.00 mi
Wind Chill38°F (3°C)
Last update 3 Mar 6:53 pm CST
Extended Forecast for

Thornburg IA

  • Tonight

    Tonight: A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 34. Northeast wind around 5 mph.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain before noon, then a chance of showers after noon. Mostly cloudy, with a high near 49. East wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 49 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers likely after midnight. Patchy fog after 9pm. Otherwise, cloudy, with a low around 39. Northeast wind around 5 mph becoming calm. Chance of precipitation is 70%.

    Low: 39 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: A 20 percent chance of showers before noon. Mostly cloudy, then gradually becoming sunny, with a high near 60. Northwest wind around 5 mph becoming southeast in the afternoon.

    High: 60 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm, mainly after 3am. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Partly Cloudy
    then Rain
    Likely

  • Friday

    Friday: Rain. High near 70. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 70 °F

    Rain then
    Rain Likely

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm before midnight, then a chance of rain. Low around 39. Chance of precipitation is 80%.

    Low: 39 °F

    Rain then
    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 34. Northeast wind around 5 mph.
Wednesday
A chance of rain before noon, then a chance of showers after noon. Mostly cloudy, with a high near 49. East wind 5 to 10 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers likely after midnight. Patchy fog after 9pm. Otherwise, cloudy, with a low around 39. Northeast wind around 5 mph becoming calm. Chance of precipitation is 70%.
Thursday
A 20 percent chance of showers before noon. Mostly cloudy, then gradually becoming sunny, with a high near 60. Northwest wind around 5 mph becoming southeast in the afternoon.
Thursday Night
Rain likely and possibly a thunderstorm, mainly after 3am. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Friday
Rain. High near 70. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain and possibly a thunderstorm before midnight, then a chance of rain. Low around 39. Chance of precipitation is 80%.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 48.
Tuesday
A 40 percent chance of rain. Partly sunny, with a high near 67.
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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:
7:06 pm CST Mar 3, 2026
Forecast Valid:
7pm CST Mar 3, 2026-6pm CDT Mar 10, 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