Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Current conditions at

Stampede Pass (KSMP)

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

light rain,mist

36°F

2°C

Humidity 100%
Wind Speed WSW 5 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 36°F (2°C)
Visibility 5.00 mi
Wind Chill32°F (0°C)
Last update 11 Dec 07:08 AM PST
Extended Forecast for

2 Miles SSE Snoqualmie Pass WA

Flood Watch December 11, 07:15am until December 12, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 11, 07:15am until December 12, 07:00am

    NOW until 7:00am Fri

    Flood Watch

  • Today

    High: 44 °F

    Rain

  • Tonight

    Tonight: Rain likely.  Cloudy, with a low around 40. Calm wind.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain Likely

  • Friday

    Friday: Rain likely.  Mostly cloudy, with a high near 47. Calm wind becoming west around 6 mph in the afternoon.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain Likely

  • Friday Night

    Friday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 38. West wind around 5 mph becoming calm  in the evening.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 52. Calm wind.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Rain, mainly after 4am.  Low around 40. Chance of precipitation is 80%.

    Low: 40 °F

    Chance Rain
    then Rain

  • Sunday

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

    High: 46 °F

    Rain

  • Sunday Night

    Sunday Night: Rain.  Low around 41. Chance of precipitation is 80%.

    Low: 41 °F

    Rain

Detailed Forecast

Today
Rain. High near 44. Northwest wind 3 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tonight
Rain likely. Cloudy, with a low around 40. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain likely. Mostly cloudy, with a high near 47. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 38. West wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 52. Calm wind.
Saturday Night
Rain, mainly after 4am. Low around 40. Chance of precipitation is 80%.
Sunday
Rain. High near 46. Chance of precipitation is 80%.
Sunday Night
Rain. Low around 41. Chance of precipitation is 80%.
Monday
Rain. High near 48. Chance of precipitation is 100%.
Monday Night
Rain. Mostly cloudy, with a low around 35.
Tuesday
Rain, possibly mixed with snow. Mostly cloudy, with a high near 40.
Tuesday Night
Rain and snow. The snow could be heavy at times. Mostly cloudy, with a low around 32.
Wednesday
Rain and snow. The snow could be heavy at times. Mostly cloudy, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Snoqualmie Pass WA
 47.39°N 121.4°W (Elev. 2759 ft)
6:51 am PST Dec 11, 2025
7am 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