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

Deer Park, Deer Park Airport (KDEW)

Lat: 47.97417°NLon: 117.42833°WElev: 2205.0ft.

Overcast

52°F

11°C

Humidity 62%
Wind Speed SW 13 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 11 Dec 09:35 AM PST
Extended Forecast for

8 Miles ENE Deer Park WA

  • Today

    Today: A 30 percent chance of rain, mainly before 10am.  Snow level 4900 feet lowering to 4300 feet in the afternoon . Partly sunny, with a high near 54. Southwest wind 6 to 16 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Chance Rain

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 4am.  Snow level 3900 feet rising to 5000 feet after midnight. Mostly cloudy, with a low around 38. Calm wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain, mainly before 7am.  Cloudy, with a high near 48. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 48 °F

    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain before 10pm.  Cloudy, with a low around 40. Southwest wind around 5 mph becoming calm  after midnight.

    Low: 40 °F

    Slight Chance
    Rain then
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 50. Light south wind.

    High: 50 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 4am.  Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 10am.  Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 4am.  Mostly cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Chance Rain
    then Rain
    Likely

  • Monday

    Monday: Rain.  High near 51. Chance of precipitation is 80%.

    High: 51 °F

    Rain

Detailed Forecast

Today
A 30 percent chance of rain, mainly before 10am. Snow level 4900 feet lowering to 4300 feet in the afternoon . Partly sunny, with a high near 54. Southwest wind 6 to 16 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 30 percent chance of rain, mainly after 4am. Snow level 3900 feet rising to 5000 feet after midnight. Mostly cloudy, with a low around 38. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 30 percent chance of rain, mainly before 7am. Cloudy, with a high near 48. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
A 20 percent chance of rain before 10pm. Cloudy, with a low around 40. Southwest wind around 5 mph becoming calm after midnight.
Saturday
Partly sunny, with a high near 50. Light south wind.
Saturday Night
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 37.
Sunday
A 30 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 51.
Sunday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Monday
Rain. High near 51. Chance of precipitation is 80%.
Monday Night
Rain. Low around 38. Chance of precipitation is 90%.
Tuesday
Rain likely. Snow level 4300 feet. Mostly cloudy, with a high near 47. Chance of precipitation is 70%.
Tuesday Night
Rain and snow likely. Snow level 3800 feet lowering to 3200 feet after midnight . Mostly cloudy, with a low around 34. Chance of precipitation is 70%.
Wednesday
Rain and snow likely. Snow level 2700 feet. Mostly cloudy, with a high near 43. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ENE Deer Park WA
 48.02°N 117.27°W (Elev. 1995 ft)
8:52 am PST Dec 11, 2025
9am 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