Heavy Snow in the Central/Southern Rockies; Below Average Temperatures in the Central and Eastern US

Moderate to heavy snowfall is expected in the central/southern Rockies and adjacent High Plains today. Lake-enhanced snowfall is expected downwind of the Great Lakes today. Showers and thunderstorms will be possible this evening into tonight across the western Gulf Coast states. Temperatures across much of the central and eastern CONUS will remain below average and chilly to end the week. Read More >

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

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

Overcast

46°F

8°C

Humidity 79%
Wind Speed WSW 4 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 03 Dec 03:01 PM PST
Extended Forecast for

Happy Valley OR

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 45. Calm wind.

    High: 45 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 3am.  Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 38. Light and variable wind.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Rain and
    Patchy Fog

  • Thursday

    Thursday: Rain.  Patchy fog before 7am. High near 47. South wind around 6 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: Rain.  Low around 44. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Rain

  • Friday

    Friday: Rain.  High near 53. Breezy, with a south southwest wind around 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Rain and
    Breezy

  • Friday Night

    Friday Night: Rain.  Low around 47. Chance of precipitation is 90%.

    Low: 47 °F

    Rain

  • Saturday

    Saturday: Rain.  High near 51. Chance of precipitation is 90%.

    High: 51 °F

    Rain

  • Saturday Night

    Saturday Night: Rain.  Cloudy, with a low around 46.

    Low: 46 °F

    Rain

  • Sunday

    Sunday: Rain.  Cloudy, with a high near 54.

    High: 54 °F

    Rain

Detailed Forecast

This Afternoon
Partly sunny, with a high near 45. Calm wind.
Tonight
A 30 percent chance of rain, mainly after 3am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 38. Light and variable wind.
Thursday
Rain. Patchy fog before 7am. High near 47. South wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 44. South southwest wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. High near 53. Breezy, with a south southwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain. Low around 47. Chance of precipitation is 90%.
Saturday
Rain. High near 51. Chance of precipitation is 90%.
Saturday Night
Rain. Cloudy, with a low around 46.
Sunday
Rain. Cloudy, with a high near 54.
Sunday Night
Rain, mainly before 10pm. Mostly cloudy, with a low around 49.
Monday
Rain likely. Cloudy, with a high near 55.
Monday Night
Rain. Cloudy, with a low around 50. Breezy.
Tuesday
Rain. Cloudy, with a high near 54. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Happy Valley OR
 45.44°N 122.52°W (Elev. 600 ft)
2:41 pm PST Dec 3, 2025
3pm PST Dec 3, 2025-6pm PST Dec 9, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database