Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Stampede Pass (KSMP)

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

rain,mist

44°F

7°C

Humidity 100%
Wind Speed WSW 4 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 44°F (7°C)
Visibility 1.25 mi
Wind Chill42°F (6°C)
Last update 08 Dec 05:28 PM PST
Extended Forecast for

10 Miles N Roslyn WA

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

    NOW until 7:00am Fri

    Flood Watch

  • This Afternoon

    High: 42 °F

    Heavy Rain

  • Tonight

    Tonight: Rain before 10pm, then snow, possibly mixed with rain. The rain and snow could be heavy at times.  Low around 30. Northwest wind 17 to 21 mph, with gusts as high as 41 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow

  • Tuesday

    Tuesday: Snow before 4pm, then snow, possibly mixed with rain. The rain and snow could be heavy at times.  High near 36. West wind 5 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 36 °F

    Snow Likely
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow, becoming all rain after 10pm. The rain and snow could be heavy at times.  Low around 33. Southeast wind 7 to 13 mph becoming west after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 33 °F

    Rain/Snow
    then Heavy
    Rain

  • Wednesday

    Wednesday: Rain before 10am, then rain, possibly mixed with snow. The rain could be heavy at times.  High near 41. West wind 13 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow.  Low around 37. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow

  • Thursday

    Thursday: Rain and snow.  High near 38. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 38 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Rain likely, possibly mixed with snow, mainly before 10pm.  Mostly cloudy, with a low around 38. Chance of precipitation is 60%.

    Low: 38 °F

    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
Rain. The rain could be heavy at times. High near 42. West wind around 18 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain before 10pm, then snow, possibly mixed with rain. The rain and snow could be heavy at times. Low around 30. Northwest wind 17 to 21 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday
Snow before 4pm, then snow, possibly mixed with rain. The rain and snow could be heavy at times. High near 36. West wind 5 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Tuesday Night
Rain, possibly mixed with snow, becoming all rain after 10pm. The rain and snow could be heavy at times. Low around 33. Southeast wind 7 to 13 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Rain before 10am, then rain, possibly mixed with snow. The rain could be heavy at times. High near 41. West wind 13 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Rain, possibly mixed with snow. Low around 37. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Rain and snow. High near 38. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
Rain likely, possibly mixed with snow, mainly before 10pm. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Friday
A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 37.
Saturday
A chance of rain. Partly sunny, with a high near 41.
Saturday Night
Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 34.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 35.
Sunday Night
Snow likely. Mostly cloudy, with a low around 33.
Monday
Rain and snow. Mostly cloudy, with a high near 37.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles N Roslyn WA
 47.38°N 121.14°W (Elev. 4514 ft)
3:20 pm PST Dec 8, 2025
5pm PST Dec 8, 2025-6pm PST Dec 15, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database