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

Deer Park, Deer Park Airport (KDEW)

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

Overcast

37°F

3°C

Humidity 32%
Wind Speed SE 3 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 15 Mar 05:05 PM PDT
Extended Forecast for

Deer Park WA

  • This Afternoon

    This Afternoon: A 20 percent chance of snow. Mostly cloudy, with a high near 40. Light south wind.

    High: 40 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: Snow likely before 4am, then a slight chance of rain and snow. Patchy fog after 2am. Otherwise, cloudy, with a low around 31. Calm wind. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Snow Likely
    then
    Rain/Snow
    Likely and
    Patchy Fog

  • Monday

    Monday: A chance of rain and snow before 11am, then rain likely. Patchy fog before 11am. Snow level 2600 feet rising to 9000 feet in the afternoon. Otherwise, cloudy, with a high near 46. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow
    Likely and
    Patchy Fog
    then Rain
    Likely

  • Monday Night

    Monday Night: A 20 percent chance of rain before 11pm. Cloudy, with a low around 40. South wind 3 to 5 mph.

    Low: 40 °F

    Slight Chance
    Rain then
    Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 11am. Cloudy, with a high near 56. South wind 6 to 8 mph.

    High: 56 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm. Cloudy, with a low around 44. Chance of precipitation is 60%.

    Low: 44 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain. Cloudy, with a high near 60.

    High: 60 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance Rain

Detailed Forecast

This Afternoon
A 20 percent chance of snow. Mostly cloudy, with a high near 40. Light south wind.
Tonight
Snow likely before 4am, then a slight chance of rain and snow. Patchy fog after 2am. Otherwise, cloudy, with a low around 31. Calm wind. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday
A chance of rain and snow before 11am, then rain likely. Patchy fog before 11am. Snow level 2600 feet rising to 9000 feet in the afternoon. Otherwise, cloudy, with a high near 46. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday Night
A 20 percent chance of rain before 11pm. Cloudy, with a low around 40. South wind 3 to 5 mph.
Tuesday
A 20 percent chance of rain after 11am. Cloudy, with a high near 56. South wind 6 to 8 mph.
Tuesday Night
Rain likely, mainly before 11pm. Cloudy, with a low around 44. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of rain. Cloudy, with a high near 60.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 46.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 63.
Thursday Night
A 40 percent chance of rain. Cloudy, with a low around 48.
Friday
A 30 percent chance of rain. Mostly cloudy, with a high near 62.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 42.
Saturday
A slight chance of rain and snow. Mostly sunny, with a high near 57. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Deer Park WA
 47.96°N 117.41°W (Elev. 2169 ft)
Last Update:
3:21 pm PDT Mar 15, 2026
Forecast Valid:
5pm PDT Mar 15, 2026-6pm PDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation