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

10°F

-12°C

Humidity 85%
Wind Speed NW 6 mph
Barometer 30.09 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 15 Jan 4:35 am CST
Extended Forecast for

Sumner IA

  • Today

    Today: A chance of flurries between 1pm and 3pm, then a chance of snow after 3pm. Increasing clouds, with a high near 29. Wind chill values as low as zero. Breezy, with a west northwest wind 5 to 10 mph becoming south 12 to 17 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 50%. Total daytime snow accumulation of less than a half inch possible.

    High: 29 °F

    Mostly Sunny
    then Chance
    Snow and
    Breezy

  • Tonight

    Tonight: A 20 percent chance of snow after 9pm. Mostly cloudy, with a temperature rising to around 30 by 3am. Blustery, with a south southwest wind 14 to 18 mph becoming west northwest after midnight. Winds could gust as high as 28 mph.

    Low: 26 °F⇑

    Slight Chance
    Snow and
    Blustery

  • Friday

    Friday: A 30 percent chance of snow, mainly after noon. Patchy blowing snow after noon. Mostly cloudy, with a temperature rising to near 31 by 10am, then falling to around 21 during the remainder of the day. Wind chill values as low as 5. Windy, with a west northwest wind 18 to 25 mph, with gusts as high as 33 mph. Little or no snow accumulation expected.

    High: 31 °F⇓

    Chance Snow
    and Patchy
    Blowing Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 6. Wind chill values as low as -10. Windy, with a northwest wind 18 to 23 mph, with gusts as high as 31 mph.

    Low: 6 °F

    Mostly Cloudy
    and Windy

  • Saturday

    Saturday: Mostly cloudy, with a high near 11. Windy, with a northwest wind 18 to 21 mph, with gusts as high as 28 mph.

    High: 11 °F

    Mostly Cloudy
    and Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -1. Blustery.

    Low: -1 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 17. Breezy.

    High: 17 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 0. Blustery.

    Low: 0 °F

    Mostly Cloudy
    and Blustery

  • M.L.King Day

    M.L.King Day: Mostly sunny and cold, with a high near 7. Windy.

    High: 7 °F

    Cold and
    Windy

Detailed Forecast

Today
A chance of flurries between 1pm and 3pm, then a chance of snow after 3pm. Increasing clouds, with a high near 29. Wind chill values as low as zero. Breezy, with a west northwest wind 5 to 10 mph becoming south 12 to 17 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 50%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 20 percent chance of snow after 9pm. Mostly cloudy, with a temperature rising to around 30 by 3am. Blustery, with a south southwest wind 14 to 18 mph becoming west northwest after midnight. Winds could gust as high as 28 mph.
Friday
A 30 percent chance of snow, mainly after noon. Patchy blowing snow after noon. Mostly cloudy, with a temperature rising to near 31 by 10am, then falling to around 21 during the remainder of the day. Wind chill values as low as 5. Windy, with a west northwest wind 18 to 25 mph, with gusts as high as 33 mph. Little or no snow accumulation expected.
Friday Night
Mostly cloudy, with a low around 6. Wind chill values as low as -10. Windy, with a northwest wind 18 to 23 mph, with gusts as high as 31 mph.
Saturday
Mostly cloudy, with a high near 11. Windy, with a northwest wind 18 to 21 mph, with gusts as high as 28 mph.
Saturday Night
Partly cloudy, with a low around -1. Blustery.
Sunday
Partly sunny, with a high near 17. Breezy.
Sunday Night
Mostly cloudy, with a low around 0. Blustery.
M.L.King Day
Mostly sunny and cold, with a high near 7. Windy.
Monday Night
Partly cloudy, with a low around -2.
Tuesday
Mostly sunny, with a high near 17.
Tuesday Night
Mostly cloudy, with a low around 8.
Wednesday
Partly sunny, with a high near 22.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sumner IA
 42.85°N 92.1°W
Last Update:
3:11 am CST Jan 15, 2026
Forecast Valid:
4am CST Jan 15, 2026-6pm CST Jan 21, 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