Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather from the Southern Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

Current conditions at

JEFFERSON CREEK (JEFW1)

Lat: 47.5491°NLon: 123.21759°WElev: 2408.0ft.

NA

37°F

3°C

Humidity 92%
Wind Speed WSW 2 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 14 Apr 06:36 AM PDT
Extended Forecast for

15 Miles WNW Brinnon WA

Winter Weather Advisory until April 14, 11:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until April 14, 11:00pm

    NOW until 11:00pm Tue

    Winter Weather Advisory

  • Today

    High: 39 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow before 10pm, then a chance of snow after 2am.  Low around 24. West wind 6 to 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Rain/Snow
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow likely before 11am, then snow showers after 11am. Some thunder is also possible.  High near 37. Wind chill values between 18 and 28. West wind 5 to 7 mph.  Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    High: 37 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow before 11pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 25. West wind 5 to 7 mph.  New snow accumulation of less than one inch possible.

    Low: 25 °F

    Chance Snow
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 44. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 44 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Today
Snow, possibly mixed with rain. High near 39. West southwest wind 8 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.
Tonight
Rain and snow before 10pm, then a chance of snow after 2am. Low around 24. West wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday
Snow likely before 11am, then snow showers after 11am. Some thunder is also possible. High near 37. Wind chill values between 18 and 28. West wind 5 to 7 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Wednesday Night
A 50 percent chance of snow before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 25. West wind 5 to 7 mph. New snow accumulation of less than one inch possible.
Thursday
Sunny, with a high near 44. Light and variable wind becoming west around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 44.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Partly sunny, with a high near 50.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 39.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 47.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 35.
Monday
Rain and snow likely. Mostly cloudy, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles WNW Brinnon WA
 47.74°N 123.19°W (Elev. 2303 ft)
11:27 pm PDT Apr 13, 2026
7am PDT Apr 14, 2026-6pm PDT Apr 20, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database