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Hazardous Weather Conditions

Current conditions at

Oelwein Municipal Airport (KOLZ)

Lat: 42.68°NLon: 91.98°WElev: 1070ft.

Fair

-4°F

-20°C

Humidity 92%
Wind Speed Calm
Barometer 30.29 in
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Last update 20 Jan 7:55 am CST
Extended Forecast for

4 Miles N Sumner IA

Winter Weather Advisory January 20, 03:00pm until January 21, 03:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: A 40 percent chance of snow after 4pm. Increasing clouds, with a high near 16. Wind chill values as low as -15. Southwest wind 5 to 9 mph. Total daytime snow accumulation of less than a half inch possible.

    High: 16 °F

    Sunny then
    Chance Snow

  • Tonight

    Tonight: Snow before 4am, then a chance of flurries between 4am and 5am. Low around 10. Wind chill values as low as zero. South southeast wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 10 °F

    Snow then
    Snow Likely

  • Wednesday

    Wednesday: A 40 percent chance of snow showers after noon. Patchy blowing snow after 5pm. Partly sunny, with a high near 25. Wind chill values as low as -5. Blustery, with a west southwest wind 10 to 18 mph, with gusts as high as 29 mph. New snow accumulation of less than one inch possible.

    High: 25 °F

    Chance Snow
    Showers and
    Patchy
    Blowing Snow

  • Wednesday Night

    Wednesday Night: Patchy blowing snow before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 3. Wind chill values as low as -10. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 31 mph.

    Low: 3 °F

    Patchy
    Blowing Snow
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 13. West wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 13 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -17.

    Low: -17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near -9.

    High: -9 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around -18.

    Low: -18 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny and cold, with a high near -3.

    High: -3 °F

    Cold

Detailed Forecast

Today
A 40 percent chance of snow after 4pm. Increasing clouds, with a high near 16. Wind chill values as low as -15. Southwest wind 5 to 9 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow before 4am, then a chance of flurries between 4am and 5am. Low around 10. Wind chill values as low as zero. South southeast wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Wednesday
A 40 percent chance of snow showers after noon. Patchy blowing snow after 5pm. Partly sunny, with a high near 25. Wind chill values as low as -5. Blustery, with a west southwest wind 10 to 18 mph, with gusts as high as 29 mph. New snow accumulation of less than one inch possible.
Wednesday Night
Patchy blowing snow before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 3. Wind chill values as low as -10. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 31 mph.
Thursday
Mostly sunny, with a high near 13. West wind 10 to 14 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around -17.
Friday
Mostly sunny and cold, with a high near -9.
Friday Night
Partly cloudy, with a low around -18.
Saturday
Partly sunny and cold, with a high near -3.
Saturday Night
Partly cloudy, with a low around -12.
Sunday
Mostly sunny and cold, with a high near 8.
Sunday Night
Partly cloudy, with a low around -8.
Monday
Mostly sunny, with a high near 13.
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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:
6:43 am CST Jan 20, 2026
Forecast Valid:
8am CST Jan 20, 2026-6pm CST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation