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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Deer Park, Deer Park Airport (KDEW)

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

Overcast

34°F

1°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 30°F (-1°C)
Visibility 9.00 mi
Last update 28 Jan 03:35 PM PST
Extended Forecast for

Deer Park WA

  • Tonight

    Tonight: Rain and snow likely, mainly after 1am. Snow level 2400 feet. Cloudy, with a low around 31. Calm wind. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Rain likely, possibly mixed with snow and freezing rain before 7am, then rain. Snow level 3400 feet rising to 4700 feet in the afternoon. High near 37. Light and variable wind. Chance of precipitation is 80%. Little or no ice accumulation expected. Little or no snow accumulation expected.

    High: 37 °F

    Wintry Mix
    then Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 4am. Cloudy, with a low around 34. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Rain Likely

  • Friday

    Friday: Rain likely, mainly before 10am. Cloudy, with a high near 42. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Rain Likely
    then Chance
    Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain before 10pm. Mostly cloudy, with a low around 33. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Chance Rain
    then Mostly
    Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 43.

    High: 43 °F

    Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 33.

    Low: 33 °F

    Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain after 4pm. Cloudy, with a high near 45.

    High: 45 °F

    Cloudy then
    Chance Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly after 4am. Snow level 4800 feet. Cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

Detailed Forecast

Tonight
Rain and snow likely, mainly after 1am. Snow level 2400 feet. Cloudy, with a low around 31. Calm wind. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
Rain likely, possibly mixed with snow and freezing rain before 7am, then rain. Snow level 3400 feet rising to 4700 feet in the afternoon. High near 37. Light and variable wind. Chance of precipitation is 80%. Little or no ice accumulation expected. Little or no snow accumulation expected.
Thursday Night
Rain likely, mainly after 4am. Cloudy, with a low around 34. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely, mainly before 10am. Cloudy, with a high near 42. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 30 percent chance of rain before 10pm. Mostly cloudy, with a low around 33. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Cloudy, with a high near 43.
Saturday Night
Cloudy, with a low around 33.
Sunday
A 30 percent chance of rain after 4pm. Cloudy, with a high near 45.
Sunday Night
A 30 percent chance of rain, mainly after 4am. Snow level 4800 feet. Cloudy, with a low around 35.
Monday
A 30 percent chance of rain, mainly before 10am. Snow level 4000 feet. Mostly cloudy, with a high near 43.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 46.
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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:
2:37 pm PST Jan 28, 2026
Forecast Valid:
3pm PST Jan 28, 2026-6pm PST Feb 4, 2026
 
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