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Hazardous Weather Conditions

Current conditions at

Oelwein Municipal Airport (KOLZ)

Lat: 42.68°NLon: 91.98°WElev: 1070ft.

Overcast and Windy

32°F

0°C

Humidity 93%
Wind Speed N 28 G 35 mph
Barometer 29.52 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 15 Mar 3:15 pm CDT
Extended Forecast for

Sumner IA

Blizzard Warning March 15, 03:31pm until March 16, 07:00am
High Wind Warning until March 16, 04:00am
Click here for hazard details and duration
Blizzard Warning
High Wind Warning
  •  
    Blizzard Warning March 15, 03:31pm until March 16, 07:00am
    High Wind Warning until March 16, 04:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 32 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Tonight

    Tonight: Snow, mainly before 4am. The snow could be heavy at times. Widespread blowing snow. Low around 8. Wind chill values as low as -10. Very windy, with a north northwest wind 33 to 37 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 8 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday

    Monday: A 30 percent chance of snow, mainly before 7am. Widespread blowing snow, mainly before 10am. Partly sunny, with a high near 13. Wind chill values as low as -15. Windy, with a northwest wind 26 to 32 mph, with gusts as high as 45 mph. New snow accumulation of less than a half inch possible.

    High: 13 °F

    Chance Snow
    and Blowing
    Snow

  • Monday Night

    Monday Night: Patchy blowing snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -1. Wind chill values as low as -15. Windy, with a northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 29 mph.

    Low: -1 °F

    Patchy
    Blowing Snow
    and Windy
    then Mostly
    Clear

  • Tuesday

    Tuesday: A 20 percent chance of snow after 1pm. Mostly sunny, with a high near 23. West northwest wind 6 to 10 mph becoming south in the afternoon.

    High: 23 °F

    Sunny then
    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: Snow, mainly before 1am. Low around 17. Chance of precipitation is 80%.

    Low: 17 °F

    Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A 40 percent chance of snow, mainly after 4pm. Patchy blowing snow. Mostly cloudy, with a high near 32. Windy, with a north wind around 33 mph, with gusts as high as 45 mph. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow, mainly before 4am. The snow could be heavy at times. Widespread blowing snow. Low around 8. Wind chill values as low as -10. Very windy, with a north northwest wind 33 to 37 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Monday
A 30 percent chance of snow, mainly before 7am. Widespread blowing snow, mainly before 10am. Partly sunny, with a high near 13. Wind chill values as low as -15. Windy, with a northwest wind 26 to 32 mph, with gusts as high as 45 mph. New snow accumulation of less than a half inch possible.
Monday Night
Patchy blowing snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -1. Wind chill values as low as -15. Windy, with a northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 29 mph.
Tuesday
A 20 percent chance of snow after 1pm. Mostly sunny, with a high near 23. West northwest wind 6 to 10 mph becoming south in the afternoon.
Tuesday Night
Snow, mainly before 1am. Low around 17. Chance of precipitation is 80%.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 45.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 62.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sumner IA
 42.85°N 92.1°W
Last Update:
2:32 pm CDT Mar 15, 2026
Forecast Valid:
3pm CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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