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.

Partly Cloudy

1°F

-17°C

Humidity 85%
Wind Speed SW 9 mph
Barometer 30.01 in
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-14°F (-26°C)
Last update 18 Jan 4:55 am CST
Extended Forecast for

4 Miles N Sumner IA

Cold Weather Advisory January 18, 09:00pm until January 19, 12:00pm
Winter Weather Advisory January 18, 12:00pm until January 18, 09:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Weather Advisory

  • Today

    Today: Snow likely, mainly after 1pm. Patchy blowing snow after 4pm. Cloudy, with a high near 18. Wind chill values as low as -15. Windy, with a southwest wind 9 to 14 mph becoming west northwest 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 70%. Total daytime snow accumulation of around an inch possible.

    High: 18 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Tonight

    Tonight: A slight chance of snow before 7pm, then a chance of flurries between 7pm and 8pm. Patchy blowing snow. Cloudy, then gradually becoming partly cloudy, with a low around -6. Wind chill values as low as -30. Windy, with a northwest wind 21 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.

    Low: -6 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • M.L.King Day

    M.L.King Day: Mostly sunny and cold, with a high near 5. Wind chill values as low as -30. Windy, with a northwest wind 11 to 21 mph, with gusts as high as 30 mph.

    High: 5 °F

    Cold and
    Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around -4. Wind chill values as low as -15. West wind 7 to 9 mph.

    Low: -4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 18. West southwest wind 7 to 9 mph becoming south in the afternoon.

    High: 18 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Partly sunny, with a high near 22. Breezy.

    High: 22 °F

    Partly Sunny
    then Slight
    Chance Snow
    and Breezy

  • Wednesday Night

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

    Low: 3 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 18.

    High: 18 °F

    Mostly Sunny

Detailed Forecast

Today
Snow likely, mainly after 1pm. Patchy blowing snow after 4pm. Cloudy, with a high near 18. Wind chill values as low as -15. Windy, with a southwest wind 9 to 14 mph becoming west northwest 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 70%. Total daytime snow accumulation of around an inch possible.
Tonight
A slight chance of snow before 7pm, then a chance of flurries between 7pm and 8pm. Patchy blowing snow. Cloudy, then gradually becoming partly cloudy, with a low around -6. Wind chill values as low as -30. Windy, with a northwest wind 21 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.
M.L.King Day
Mostly sunny and cold, with a high near 5. Wind chill values as low as -30. Windy, with a northwest wind 11 to 21 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around -4. Wind chill values as low as -15. West wind 7 to 9 mph.
Tuesday
Mostly sunny, with a high near 18. West southwest wind 7 to 9 mph becoming south in the afternoon.
Tuesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 12.
Wednesday
A 20 percent chance of snow after noon. Partly sunny, with a high near 22. Breezy.
Wednesday Night
Partly cloudy, with a low around 3.
Thursday
Mostly sunny, with a high near 18.
Thursday Night
Mostly cloudy, with a low around 8.
Friday
Partly sunny, with a high near 15.
Friday Night
Mostly cloudy, with a low around -4.
Saturday
Partly sunny and cold, with a high near 3.
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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:
4:52 am CST Jan 18, 2026
Forecast Valid:
5am CST Jan 18, 2026-6pm CST Jan 24, 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