Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Overcast

-6°F

-21°C

Humidity 58%
Wind Speed NE 9 mph
Barometer 30.71 in (1042.6 mb)
Dewpoint -17°F (-27°C)
Visibility 10.00 mi
Wind Chill-22°F (-30°C)
Last update 24 Jan 3:53 am CST
Extended Forecast for

Sigourney IA

Cold Weather Advisory January 24, 04:24am until January 24, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 24, 04:24am until January 24, 12:00pm

    NOW until 12:00pm Sat

    Cold Weather Advisory

  • Today

    High: 5 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tonight

    Tonight: A 50 percent chance of snow, mainly before 10pm.  Cloudy, with a low around 1. Wind chill values as low as -10. Northeast wind around 5 mph.  New snow accumulation of less than a half inch possible.

    Low: 1 °F

    Chance Snow
    then Slight
    Chance Snow

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 12. Wind chill values as low as -10. North wind 5 to 10 mph.

    High: 12 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -5. Wind chill values as low as -20. Northwest wind around 10 mph.

    Low: -5 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 16.

    High: 16 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 9.

    Low: 9 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 24.

    High: 24 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 3.

    Low: 3 °F

    Mostly Clear

Detailed Forecast

Today
A 20 percent chance of snow after 3pm. Mostly cloudy and cold, with a high near 5. Wind chill values as low as -20. East wind around 5 mph.
Tonight
A 50 percent chance of snow, mainly before 10pm. Cloudy, with a low around 1. Wind chill values as low as -10. Northeast wind around 5 mph. New snow accumulation of less than a half inch possible.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 12. Wind chill values as low as -10. North wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around -5. Wind chill values as low as -20. Northwest wind around 10 mph.
Monday
Sunny, with a high near 16.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Sunny, with a high near 24.
Tuesday Night
Mostly clear, with a low around 3.
Wednesday
Partly sunny, with a high near 20.
Wednesday Night
Partly cloudy, with a low around 0.
Thursday
Sunny, with a high near 17.
Thursday Night
Partly cloudy, with a low around 2.
Friday
Mostly sunny, with a high near 20.
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ABOUT THIS FORECAST

 
Point Forecast:
Sigourney IA
 41.33°N 92.2°W (Elev. 801 ft)
3:16 am CST Jan 24, 2026
4am CST Jan 24, 2026-6pm CST Jan 30, 2026
 
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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