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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Deer Park, Deer Park Airport (KDEW)

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

Clear

75°F

24°C

Humidity 36%
Wind Speed WNW 4 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 18 Sep 02:35 PM PDT
Extended Forecast for

Deer Park WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 75. Light west wind.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77. Calm wind.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78. Light and variable wind.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 75. Light west wind.
Tonight
Mostly clear, with a low around 47. Calm wind.
Saturday
Sunny, with a high near 77. Calm wind.
Saturday Night
Mostly clear, with a low around 47. Calm wind.
Sunday
Sunny, with a high near 78. Light and variable wind.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 75.
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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:
2:06 pm PDT Sep 18, 2026
Forecast Valid:
2pm PDT Sep 18, 2026-6pm PDT Sep 24, 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