Prolonged Extreme Cold; Eastern U.S. Winter Storm
Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >
Hazardous Weather Conditions
Current conditions at
Ottumwa Regional Airport (KOTM)
Lat: 41.1°NLon: 92.44°WElev: 830ft.
Mostly Cloudy
9°F
-13°C
| Humidity | 73% |
| Wind Speed | N 5 mph |
| Barometer | 30.32 in (1028.6 mb) |
| Dewpoint | 2°F (-17°C) |
| Visibility | 10.00 mi |
| Wind Chill | 0°F (-18°C) |
| Last update | 29 Jan 6:53 am CST |
Extended Forecast for
Thornburg IA
Today
High: 17 °F
Mostly Cloudy
Tonight
Low: 1 °F
Decreasing
CloudsFriday
High: 14 °F
Mostly Sunny
Friday Night
Low: 1 °F
Mostly Clear
Saturday
High: 21 °F
Sunny
Saturday Night
Low: 8 °F
Partly Cloudy
Sunday
High: 28 °F
Chance Snow
Sunday Night
Low: 18 °F
Mostly Cloudy
Monday
High: 33 °F
Mostly Sunny
Detailed Forecast
Today
Mostly cloudy, with a high near 17. Wind chill values as low as -5. North wind around 5 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 1. Wind chill values as low as -10. North wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 14. Wind chill values as low as -15. North wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 1. Wind chill values as low as -15. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 21.
Saturday Night
Partly cloudy, with a low around 8.
Sunday
A 50 percent chance of snow. Partly sunny, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 18.
Monday
Mostly sunny, with a high near 33.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
Mostly cloudy, with a high near 31.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Wednesday
Partly sunny, with a high near 30.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Thornburg IA
41.46°N 92.35°W (Elev. 902 ft)
41.46°N 92.35°W (Elev. 902 ft)
5:26 am CST Jan 29, 2026
7am CST Jan 29, 2026-6pm CST Feb 4, 2026
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