Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Stampede Pass (KSMP)

Lat: 47.27648°NLon: 121.33817°WElev: 3970.0ft.

rain,mist

45°F

7°C

Humidity 100%
Wind Speed NA 6 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 45°F (7°C)
Visibility 0.75 mi
Wind Chill42°F (6°C)
Last update 10 Dec 04:05 AM PST
Extended Forecast for

11 Miles N Roslyn WA

Flood Watch December 10, 04:22am until December 12, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 10, 04:22am until December 12, 07:00am

    NOW until 7:00am Fri

    Flood Watch

  • Overnight

    Low: 46 °F

    Heavy Rain

  • Wednesday

    Wednesday: Rain. The rain could be heavy at times.  High near 51. West wind 9 to 14 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

    High: 51 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 41. West wind 11 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 41 °F

    Rain

  • Thursday

    Thursday: Rain.  High near 47. West wind around 9 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely.  Mostly cloudy, with a low around 41. Light northwest wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Rain Likely

  • Friday

    Friday: Rain likely, mainly before 10am.  Partly sunny, with a high near 48. Chance of precipitation is 60%.

    High: 48 °F

    Rain Likely

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Saturday

    Saturday: A slight chance of rain before 10am, then a slight chance of rain after 4pm.  Mostly sunny, with a high near 51. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Rain. The rain could be heavy at times. Steady temperature around 46. Southwest wind around 8 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. The rain could be heavy at times. High near 51. West wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.
Wednesday Night
Rain. Low around 41. West wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Thursday
Rain. High near 47. West wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely. Mostly cloudy, with a low around 41. Light northwest wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely, mainly before 10am. Partly sunny, with a high near 48. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 39.
Saturday
A slight chance of rain before 10am, then a slight chance of rain after 4pm. Mostly sunny, with a high near 51. Chance of precipitation is 20%.
Saturday Night
Rain, mainly after 4am. Low around 39. Chance of precipitation is 80%.
Sunday
Rain. Mostly cloudy, with a high near 46.
Sunday Night
Rain likely. Mostly cloudy, with a low around 39.
Monday
Rain. Mostly cloudy, with a high near 47.
Monday Night
Rain. Mostly cloudy, with a low around 37.
Tuesday
Rain, possibly mixed with snow. Mostly cloudy, with a high near 42.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles N Roslyn WA
 47.4°N 121.12°W (Elev. 3140 ft)
4:01 am PST Dec 10, 2025
4am PST Dec 10, 2025-6pm PST Dec 16, 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