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

37°F

3°C

Humidity 82%
Wind Speed NW 16 mph
Barometer 30.05 in (1018.0 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 9 Jan 9:53 am CST
Extended Forecast for

Thornburg IA

  • Today

    Today: Mostly sunny, with a high near 41. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 41 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of snow between 3am and 5am. Cloudy, with a low around 28. North wind 5 to 10 mph becoming west after midnight.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow after noon. Mostly cloudy through mid morning, then becoming sunny, with a high near 35. Breezy, with a northwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 35 °F

    Mostly Sunny
    then Slight
    Chance Snow
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18. Northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain after noon. Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 41. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of snow between 3am and 5am. Cloudy, with a low around 28. North wind 5 to 10 mph becoming west after midnight.
Saturday
A 20 percent chance of snow after noon. Mostly cloudy through mid morning, then becoming sunny, with a high near 35. Breezy, with a northwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 18. Northwest wind around 15 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 45.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 21.
Thursday
Partly sunny, with a high near 34.
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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:
6:31 am CST Jan 9, 2026
Forecast Valid:
10am CST Jan 9, 2026-6pm CST Jan 15, 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