Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Stampede Pass (KSMP)

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

Overcast

37°F

3°C

Humidity 100%
Wind Speed W 5 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 08 Dec 02:27 AM PST
Extended Forecast for

11 Miles N Roslyn WA

Flood Watch December 8, 07:00am until December 12, 07:00am
Click here for hazard details and duration
Flood Watch
  • Overnight

    Overnight: A 50 percent chance of rain.  Cloudy, with a low around 37. West wind around 9 mph, with gusts as high as 28 mph.  New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Chance Rain

  • Monday

    Monday: Rain, mainly after 7am. The rain could be heavy at times.  High near 47. West wind 7 to 11 mph becoming south in the morning. Winds could gust as high as 23 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 47 °F

    Heavy Rain

  • Monday Night

    Monday Night: Rain, possibly mixed with snow. The rain could be heavy at times.  Low around 35. West wind 13 to 15 mph, with gusts as high as 36 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow

  • Tuesday

    Tuesday: Rain, possibly mixed with snow.  High near 41. West wind 3 to 8 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow, becoming all rain after 7pm.  Low around 37. Light and variable wind becoming west 5 to 7 mph in the evening. Winds could gust as high as 21 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow
    then Rain

  • Wednesday

    Wednesday: Rain.  High near 47. Chance of precipitation is 100%.

    High: 47 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 41. Chance of precipitation is 90%.

    Low: 41 °F

    Rain

  • Thursday

    Thursday: Rain.  High near 46. Chance of precipitation is 80%.

    High: 46 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 42. Chance of precipitation is 70%.

    Low: 42 °F

    Rain Likely

Detailed Forecast

Overnight
A 50 percent chance of rain. Cloudy, with a low around 37. West wind around 9 mph, with gusts as high as 28 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain, mainly after 7am. The rain could be heavy at times. High near 47. West wind 7 to 11 mph becoming south in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Monday Night
Rain, possibly mixed with snow. The rain could be heavy at times. Low around 35. West wind 13 to 15 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday
Rain, possibly mixed with snow. High near 41. West wind 3 to 8 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday Night
Rain, possibly mixed with snow, becoming all rain after 7pm. Low around 37. Light and variable wind becoming west 5 to 7 mph in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday
Rain. High near 47. Chance of precipitation is 100%.
Wednesday Night
Rain. Low around 41. Chance of precipitation is 90%.
Thursday
Rain. High near 46. Chance of precipitation is 80%.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Friday
A chance of rain, mainly before 10am. Partly sunny, with a high near 49.
Friday Night
A chance of rain. Mostly cloudy, with a low around 40.
Saturday
A chance of rain. Partly sunny, with a high near 49.
Saturday Night
Rain likely. Mostly cloudy, with a low around 38.
Sunday
Rain likely. Mostly cloudy, with a high near 44.
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)
2:50 am PST Dec 8, 2025
2am PST Dec 8, 2025-6pm PST Dec 14, 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