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

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

Deer Park, Deer Park Airport (KDEW)

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

Clear

38°F

3°C

Humidity 82%
Wind Speed S 6 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 09 Dec 03:53 PM PST
Extended Forecast for

Deer Park WA

  • Tonight

    Tonight: Rain, mainly between 7pm and 4am. Snow level 4100 feet rising to 7800 feet after midnight. Temperature falling to near 38 by 9pm, then rising to around 43 during the remainder of the night. Calm wind becoming south 5 to 8 mph after midnight. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F⇑

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 10am. Cloudy, with a high near 53. Southwest wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 10pm. Cloudy, with a low around 47. Breezy, with a southwest wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Rain Likely
    and Breezy

  • Thursday

    Thursday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 52. West wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of rain. Snow level 4500 feet. Cloudy, with a low around 39. Southwest wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Chance Rain

  • Friday

    Friday: A chance of rain and snow before 1pm, then a chance of rain. Snow level 4600 feet rising to 6100 feet in the afternoon. Cloudy, with a high near 48. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 48 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Rain, mainly between 7pm and 4am. Snow level 4100 feet rising to 7800 feet after midnight. Temperature falling to near 38 by 9pm, then rising to around 43 during the remainder of the night. Calm wind becoming south 5 to 8 mph after midnight. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely, mainly after 10am. Cloudy, with a high near 53. Southwest wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 47. Breezy, with a southwest wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 52. West wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 30 percent chance of rain. Snow level 4500 feet. Cloudy, with a low around 39. Southwest wind around 5 mph becoming calm in the evening.
Friday
A chance of rain and snow before 1pm, then a chance of rain. Snow level 4600 feet rising to 6100 feet in the afternoon. Cloudy, with a high near 48. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 35.
Saturday
Mostly cloudy, with a high near 45.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 36.
Sunday
A 30 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 46.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 35.
Monday
Rain. High near 47. Chance of precipitation is 80%.
Monday Night
Rain. Low around 37. Chance of precipitation is 80%.
Tuesday
A 50 percent chance of rain. Snow level 4500 feet. Mostly cloudy, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deer Park WA
 47.96°N 117.41°W (Elev. 2169 ft)
Last Update:
3:08 pm PST Dec 9, 2025
Forecast Valid:
4pm PST Dec 9, 2025-6pm PST Dec 16, 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