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

Lake-Effect Snow through Friday; Strong Winds in the Northern and Central Plains

A clipper-like system will drop down from Canada on Thursday, bringing wintry weather from the Upper Midwest to the Great Lakes through Friday. This system is expected to bring strong northerly winds to much of the northern and central High Plains Thursday afternoon through Friday, with gusts up to 60 mph expected. Read More >

Hazardous Weather Conditions

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

Lat: 45.55111°NLon: 122.40889°WElev: 36.0ft.

Overcast

45°F

7°C

Humidity 93%
Wind Speed NE 3 MPH
Barometer 30.48 in (1032.17 mb)
Dewpoint 43°F (6°C)
Visibility 8.00 mi
Last update 14 Jan 07:35 PM PST
Extended Forecast for

Happy Valley OR

Air Stagnation Advisory January 14, 07:54pm until January 16, 04:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 14, 07:54pm until January 16, 04:00am

    NOW until 4:00am Fri

    Air Stagnation Advisory

  • Tonight

    Low: 36 °F

    Patchy Dense
    Fog then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 55. Breezy, with a northeast wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 55 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 39. Breezy, with an east northeast wind around 18 mph, with gusts as high as 28 mph.

    Low: 39 °F

    Mostly Clear
    and Breezy

  • Friday

    Friday: Sunny, with a high near 52. Breezy, with an east northeast wind 17 to 20 mph, with gusts as high as 32 mph.

    High: 52 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. Breezy, with an east northeast wind around 20 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 52. Breezy.

    High: 52 °F

    Sunny and
    Breezy then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

Detailed Forecast

Tonight
Patchy dense fog before midnight. Otherwise, mostly cloudy, with a low around 36. North wind around 6 mph.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 55. Breezy, with a northeast wind 10 to 16 mph, with gusts as high as 28 mph.
Thursday Night
Mostly clear, with a low around 39. Breezy, with an east northeast wind around 18 mph, with gusts as high as 28 mph.
Friday
Sunny, with a high near 52. Breezy, with an east northeast wind 17 to 20 mph, with gusts as high as 32 mph.
Friday Night
Mostly clear, with a low around 38. Breezy, with an east northeast wind around 20 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 52. Breezy.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 35.
M.L.King Day
Sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 34.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Happy Valley OR
 45.46°N 122.56°W (Elev. 925 ft)
Last Update:
7:42 pm PST Jan 14, 2026
Forecast Valid:
7pm PST Jan 14, 2026-6pm PST Jan 21, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation