National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 >

Hazardous Weather Conditions

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 8 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 44°F (7°C)
Visibility 1.25 mi
Wind Chill39°F (4°C)
Last update 08 Dec 07:56 PM PST
Extended Forecast for

8 Miles NW Easton 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

  • Tonight

    Low: 36 °F

    Heavy Rain
    then
    Rain/Snow

  • Tuesday

    Tuesday: Snow likely, possibly mixed with rain before 7am, then a chance of rain between 7am and 1pm, then rain, possibly mixed with snow after 1pm. High near 42. West wind around 6 mph becoming calm in the morning. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow, becoming all rain after 7pm. The rain could be heavy at times. Temperature rising to around 48 by 3am. Calm 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 Heavy
    Rain

  • Wednesday

    Wednesday: Rain. The rain could be heavy at times. High near 49. West wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 49 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Rain. Low around 41. West wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 41 °F

    Rain

  • Thursday

    Thursday: Rain. High near 46. Chance of precipitation is 90%.

    High: 46 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.

    Low: 41 °F

    Rain Likely

  • Friday

    Friday: A 40 percent chance of rain. Mostly cloudy, with a high near 49.

    High: 49 °F

    Chance Rain

Detailed Forecast

Tonight
Rain before 1am, then rain, possibly mixed with snow. The rain could be heavy at times. Low around 36. Northwest wind 9 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday
Snow likely, possibly mixed with rain before 7am, then a chance of rain between 7am and 1pm, then rain, possibly mixed with snow after 1pm. High near 42. West wind around 6 mph becoming calm in the morning. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday Night
Rain, possibly mixed with snow, becoming all rain after 7pm. The rain could be heavy at times. Temperature rising to around 48 by 3am. Calm 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. The rain could be heavy at times. High near 49. West wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
Rain. Low around 41. West wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Thursday
Rain. High near 46. Chance of precipitation is 90%.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 49.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 41.
Saturday
A chance of rain. Partly sunny, with a high near 49.
Saturday Night
Rain. Mostly cloudy, with a low around 38.
Sunday
Rain. Mostly cloudy, with a high near 43.
Sunday Night
Rain likely. Mostly cloudy, with a low around 36.
Monday
Rain, possibly mixed with snow. Mostly cloudy, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NW Easton WA
 47.31°N 121.31°W (Elev. 2470 ft)
Last Update:
3:20 pm PST Dec 8, 2025
Forecast Valid:
8pm PST Dec 8, 2025-6pm PST Dec 15, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation