Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

I84 WB at Cascade Locks MP44.57 (ODT78)

Lat: 45.66931°NLon: 121.88484°WElev: 194.0ft.

NA

57°F

14°C

Humidity 84%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 11 Dec 01:15 AM PST
Extended Forecast for

4 Miles SW Cascade Locks OR

  • Overnight

    Overnight: Showers.  Steady temperature around 53. Breezy, with a west southwest wind 15 to 17 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers.  High near 53. West southwest wind 7 to 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before 4am.  Mostly cloudy, with a low around 48. Southwest wind 3 to 6 mph.

    Low: 48 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 55. Light west southwest wind.

    High: 55 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. West southwest wind around 5 mph.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Rain likely, mainly after 4am.  Mostly cloudy, with a low around 45. Chance of precipitation is 60%.

    Low: 45 °F

    Slight Chance
    Rain then
    Rain Likely

  • Sunday

    Sunday: Rain likely, mainly before 10am.  Mostly cloudy, with a high near 52.

    High: 52 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely, mainly after 10pm.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Rain Likely

Detailed Forecast

Overnight
Showers. Steady temperature around 53. Breezy, with a west southwest wind 15 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers. High near 53. West southwest wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A 30 percent chance of showers, mainly before 4am. Mostly cloudy, with a low around 48. Southwest wind 3 to 6 mph.
Friday
Partly sunny, with a high near 55. Light west southwest wind.
Friday Night
Partly cloudy, with a low around 43. West southwest wind around 5 mph.
Saturday
Sunny, with a high near 58.
Saturday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Sunday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 52.
Sunday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 46.
Monday
Rain. Cloudy, with a high near 53.
Monday Night
Rain. Cloudy, with a low around 43. Breezy.
Tuesday
Rain. Cloudy, with a high near 48. Breezy.
Tuesday Night
Rain, possibly mixed with snow. Snow level 4300 feet lowering to 3700 feet after midnight . Cloudy, with a low around 39. Breezy.
Wednesday
Rain, possibly mixed with snow. Snow level 3500 feet rising to 4000 feet in the afternoon. Cloudy, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Cascade Locks OR
 45.63°N 121.93°W (Elev. 2418 ft)
1:00 am PST Dec 11, 2025
1am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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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