Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

JEFFERSON CREEK (JEFW1)

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

NA

40°F

4°C

Humidity 56%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 15 Apr 01:36 PM PDT
Extended Forecast for

9 Miles WSW Brinnon WA

  • This Afternoon

    This Afternoon: Snow showers likely. Some thunder is also possible.  Mostly cloudy, with a high near 36. West wind around 9 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of less than one inch possible.

    High: 36 °F

    Snow Showers
    Likely

  • Tonight

    Tonight: A 50 percent chance of snow showers, mainly before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Wind chill values between 20 and 25. West northwest wind around 6 mph.  New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Snow
    Showers then
    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 41. Wind chill values between 23 and 33. West northwest wind 5 to 8 mph becoming south in the morning.

    High: 41 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. Northwest wind 5 to 7 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 44. Light and variable wind becoming east southeast around 6 mph in the afternoon.

    High: 44 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of rain.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain.  Mostly cloudy, with a high near 54.

    High: 54 °F

    Chance Rain

Detailed Forecast

This Afternoon
Snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 36. West wind around 9 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than one inch possible.
Tonight
A 50 percent chance of snow showers, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Wind chill values between 20 and 25. West northwest wind around 6 mph. New snow accumulation of less than a half inch possible.
Thursday
Increasing clouds, with a high near 41. Wind chill values between 23 and 33. West northwest wind 5 to 8 mph becoming south in the morning.
Thursday Night
Partly cloudy, with a low around 32. Northwest wind 5 to 7 mph.
Friday
Partly sunny, with a high near 44. Light and variable wind becoming east southeast around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Mostly cloudy, with a high near 50.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 43.
Sunday
A chance of rain. Mostly cloudy, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Partly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
A chance of rain. Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WSW Brinnon WA
 47.63°N 123.06°W (Elev. 3018 ft)
2:10 pm PDT Apr 15, 2026
2pm PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database