National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Overcast

24°F

-4°C

Humidity 75%
Wind Speed NW 17 mph
Barometer 30.34 in (1028.5 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 11 Jan 2:53 am CST
Extended Forecast for

Thornburg IA

  • Overnight

    Overnight: Partly cloudy, with a low around 20. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.

    Low: 20 °F

    Partly Cloudy
    and Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 33. Northwest wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 30 mph.

    High: 33 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 28. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 46. West wind 5 to 10 mph.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 33. Breezy.

    High: 33 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 20. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.
Sunday
Mostly sunny, with a high near 33. Northwest wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Increasing clouds, with a low around 28. Southwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 46. West wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 33. Breezy.
Wednesday Night
Mostly clear, with a low around 17.
Thursday
Partly sunny, with a high near 34.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 35.
Friday Night
Mostly cloudy, with a low around 14.
Saturday
Partly sunny, with a high near 21.
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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:
2:32 am CST Jan 11, 2026
Forecast Valid:
3am CST Jan 11, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation