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Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Fair

2°F

-17°C

Humidity 65%
Wind Speed NW 17 G 37 mph
Barometer 30.24 in (1025.7 mb)
Dewpoint -7°F (-22°C)
Visibility 10.00 mi
Wind Chill-18°F (-28°C)
Last update 19 Jan 3:53 am CST
Extended Forecast for

Thornburg IA

Cold Weather Advisory January 19, 04:30am until January 19, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 19, 04:30am until January 19, 12:00pm

    NOW until 12:00pm Mon

    Cold Weather Advisory

  • M.L.King Day

    High: 12 °F

    Mostly Sunny
    and Blustery

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 4. West wind around 5 mph becoming calm in the evening.

    Low: 4 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Increasing clouds, with a high near 25. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 25 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 17. Southeast wind 5 to 15 mph becoming west after midnight.

    Low: 17 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -3.

    Low: -3 °F

    Mostly Cloudy

Detailed Forecast

M.L.King Day
Mostly sunny, with a high near 12. Wind chill values as low as -25. Blustery, with a northwest wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 4. West wind around 5 mph becoming calm in the evening.
Tuesday
Increasing clouds, with a high near 25. Light and variable wind becoming south 5 to 10 mph in the morning.
Tuesday Night
A 40 percent chance of snow, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 17. Southeast wind 5 to 15 mph becoming west after midnight.
Wednesday
Mostly sunny, with a high near 33.
Wednesday Night
Partly cloudy, with a low around 11.
Thursday
Mostly sunny, with a high near 26.
Thursday Night
Mostly cloudy, with a low around -3.
Friday
Partly sunny and cold, with a high near 5.
Friday Night
Mostly cloudy, with a low around -12.
Saturday
Mostly sunny and cold, with a high near 4.
Saturday Night
Mostly cloudy, with a low around -3.
Sunday
Mostly sunny, with a high near 18.
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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:
4:12 am CST Jan 19, 2026
Forecast Valid:
4am CST Jan 19, 2026-6pm CST Jan 25, 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