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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Partly Cloudy

6°F

-14°C

Humidity 69%
Wind Speed W 6 mph
Barometer 30.32 in (1028.4 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-5°F (-21°C)
Last update 28 Jan 4:53 am CST
Extended Forecast for

Sigourney IA

  • Today

    Today: Mostly sunny, with a high near 24. Wind chill values as low as -5. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 24 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 5. Wind chill values as low as -5. North wind 5 to 10 mph.

    Low: 5 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 17. Wind chill values as low as -5. North wind around 5 mph.

    High: 17 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 0. Wind chill values as low as -10. North wind around 5 mph.

    Low: 0 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 15.

    High: 15 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 0.

    Low: 0 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 21.

    High: 21 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of snow. Partly sunny, with a high near 28.

    High: 28 °F

    Chance Snow

Detailed Forecast

Today
Mostly sunny, with a high near 24. Wind chill values as low as -5. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 5. Wind chill values as low as -5. North wind 5 to 10 mph.
Thursday
Mostly cloudy, with a high near 17. Wind chill values as low as -5. North wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 0. Wind chill values as low as -10. North wind around 5 mph.
Friday
Sunny, with a high near 15.
Friday Night
Mostly clear, with a low around 0.
Saturday
Sunny, with a high near 21.
Saturday Night
Partly cloudy, with a low around 5.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 16.
Monday
Partly sunny, with a high near 33.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
Mostly cloudy, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sigourney IA
 41.33°N 92.2°W (Elev. 801 ft)
Last Update:
3:56 am CST Jan 28, 2026
Forecast Valid:
5am CST Jan 28, 2026-6pm CST Feb 3, 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