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

Nor'easter Bringing Dangerous Coastal Conditions to the Mid-Atlantic; Pacific Storm to Impact the Southwest U.S.

A Nor'easter well off the East Coast will slowly track north this week and may gain some subtropical characteristics. Strong onshore winds will bring flooding, dangerous marine conditions, and beach erosion along the Mid-Atlantic coast. A Pacific storm will bring gusty winds, severe thunderstorms, and mountain snow to portions of California and the Southwest U.S. through Thursday. Read More >

Current conditions at

Oelwein Municipal Airport (KOLZ)

Lat: 42.68°NLon: 91.98°WElev: 1070ft.

Fair

55°F

13°C

Humidity 59%
Wind Speed SE 6 mph
Barometer 30.27 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 20 Oct 7:35 pm CDT
Extended Forecast for

Sumner IA

  • Tonight

    Tonight: Clear, with a low around 45. South southeast wind 5 to 7 mph.

    Low: 45 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72. South southwest wind 3 to 5 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 74. Calm wind becoming south southeast around 6 mph in the afternoon.

    High: 74 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. Southeast wind around 6 mph.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 72. Breezy.

    High: 72 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 72. Breezy.

    High: 72 °F

    Partly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 45. South southeast wind 5 to 7 mph.
Wednesday
Sunny, with a high near 72. South southwest wind 3 to 5 mph.
Wednesday Night
Partly cloudy, with a low around 48. Calm wind.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 74. Calm wind becoming south southeast around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 51. Southeast wind around 6 mph.
Friday
Mostly sunny, with a high near 72. Breezy.
Friday Night
Mostly cloudy, with a low around 55.
Saturday
Partly sunny, with a high near 72. Breezy.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
Mostly cloudy, with a high near 64.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 46.
Monday
Mostly cloudy, with a high near 57.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sumner IA
 42.85°N 92.1°W
Last Update:
4:26 pm CDT Oct 20, 2026
Forecast Valid:
7pm CDT Oct 20, 2026-6pm CDT Oct 27, 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