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

Hazardous Weather Conditions

Current conditions at

Oelwein Municipal Airport (KOLZ)

Lat: 42.68°NLon: 91.98°WElev: 1070ft.

Fair

-11°F

-24°C

Humidity 63%
Wind Speed W 6 mph
Barometer 30.75 in
Dewpoint -20°F (-29°C)
Visibility 10.00 mi
Wind Chill-25°F (-32°C)
Last update 23 Jan 7:55 pm CST
Extended Forecast for

4 Miles N Sumner IA

Cold Weather Advisory January 23, 08:10pm until January 24, 03:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 23, 08:10pm until January 24, 03:00am

    NOW until 3:00am Sat

    Cold Weather Advisory

  • Tonight

    Low: -20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny and cold, with a high near -1. Wind chill values as low as -25. Light and variable wind.

    High: -1 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -8. Wind chill values as low as -20. Calm wind becoming north northeast around 6 mph after midnight.

    Low: -8 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny and cold, with a high near 4. Wind chill values as low as -20. North northeast wind 6 to 10 mph.

    High: 4 °F

    Cold

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -12. North northwest wind around 10 mph.

    Low: -12 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and cold, with a high near 9.

    High: 9 °F

    Cold

  • Monday Night

    Monday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 11.

    High: 11 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around -20. Wind chill values as low as -30. North northwest wind 5 to 7 mph becoming calm after midnight.
Saturday
Partly sunny and cold, with a high near -1. Wind chill values as low as -25. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around -8. Wind chill values as low as -20. Calm wind becoming north northeast around 6 mph after midnight.
Sunday
Mostly sunny and cold, with a high near 4. Wind chill values as low as -20. North northeast wind 6 to 10 mph.
Sunday Night
Partly cloudy, with a low around -12. North northwest wind around 10 mph.
Monday
Sunny and cold, with a high near 9.
Monday Night
Partly cloudy, with a low around 3.
Tuesday
Mostly sunny, with a high near 11.
Tuesday Night
Partly cloudy, with a low around -3.
Wednesday
Partly sunny and cold, with a high near 9.
Wednesday Night
Partly cloudy, with a low around -6.
Thursday
Mostly sunny and cold, with a high near 7.
Thursday Night
Partly cloudy, with a low around -4.
Friday
Mostly sunny, with a high near 12.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Sumner IA
 42.89°N 92.07°W
Last Update:
5:16 pm CST Jan 23, 2026
Forecast Valid:
8pm CST Jan 23, 2026-6pm CST Jan 30, 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