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

Oelwein Municipal Airport (KOLZ)

Lat: 42.68°NLon: 91.98°WElev: 1070ft.

Overcast and Windy

10°F

-12°C

Humidity 85%
Wind Speed NW 28 G 38 mph
Barometer 29.93 in
Dewpoint 7°F (-14°C)
Visibility 9.00 mi
Wind Chill-12°F (-24°C)
Last update 16 Mar 10:55 am CDT
Extended Forecast for

Sumner IA

  • This Afternoon

    This Afternoon: Areas of blowing snow. Partly sunny, with a high near 15. Wind chill values as low as -10. Windy, with a northwest wind 26 to 28 mph, with gusts as high as 36 mph.

    High: 15 °F

    Areas Blowing
    Snow and
    Windy

  • Tonight

    Tonight: Patchy blowing snow before 7pm. Partly cloudy, with a low around 0. Wind chill values as low as -15. Windy, with a northwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.

    Low: 0 °F

    Patchy
    Blowing Snow
    and Windy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A chance of flurries between 2pm and 3pm, then a chance of snow after 3pm. Increasing clouds, with a high near 23. Wind chill values as low as -15. West northwest wind 6 to 11 mph becoming south in the afternoon. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 23 °F

    Mostly Sunny
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: Snow likely before 4am, then a slight chance of snow after 5am. Mostly cloudy, with a steady temperature around 21. Wind chill values as low as 5. South southeast wind 11 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 21 °F

    Snow Likely
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40. West southwest wind around 8 mph.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Areas of blowing snow. Partly sunny, with a high near 15. Wind chill values as low as -10. Windy, with a northwest wind 26 to 28 mph, with gusts as high as 36 mph.
Tonight
Patchy blowing snow before 7pm. Partly cloudy, with a low around 0. Wind chill values as low as -15. Windy, with a northwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.
Tuesday
A chance of flurries between 2pm and 3pm, then a chance of snow after 3pm. Increasing clouds, with a high near 23. Wind chill values as low as -15. West northwest wind 6 to 11 mph becoming south in the afternoon. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow likely before 4am, then a slight chance of snow after 5am. Mostly cloudy, with a steady temperature around 21. Wind chill values as low as 5. South southeast wind 11 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Wednesday
Mostly sunny, with a high near 40. West southwest wind around 8 mph.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 46.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 60.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 52. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sumner IA
 42.85°N 92.1°W
Last Update:
11:47 am CDT Mar 16, 2026
Forecast Valid:
12pm CDT Mar 16, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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