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

42°F

6°C

Humidity 70%
Wind Speed SSE 3 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 15 Apr 12:36 PM PDT
Extended Forecast for

4 Miles W Brinnon WA

Frost Advisory April 16, 01:00am until April 16, 09:00am
Click here for hazard details and duration
Frost Advisory
  • This Afternoon

    This Afternoon: Rain, possibly mixed with snow showers, becoming all rain after 4pm. Some thunder is also possible.  High near 45. South wind around 6 mph becoming light and variable.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow

  • Tonight

    Tonight: Rain likely, possibly mixed with snow, mainly before 7pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Light and variable wind.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 31 °F

    Rain/Snow
    Likely then
    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 51. Calm wind becoming south southeast around 6 mph in the afternoon.

    High: 51 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 37 °F

    Decreasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 53. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 53 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 59.

    High: 59 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of rain, mainly after 11pm.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain.  Mostly cloudy, with a high near 62.

    High: 62 °F

    Chance Rain

Detailed Forecast

This Afternoon
Rain, possibly mixed with snow showers, becoming all rain after 4pm. Some thunder is also possible. High near 45. South wind around 6 mph becoming light and variable. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tonight
Rain likely, possibly mixed with snow, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Light and variable wind. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
Increasing clouds, with a high near 51. Calm wind becoming south southeast around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Northeast wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 53. Calm wind becoming east southeast around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Mostly cloudy, with a high near 59.
Saturday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 47.
Sunday
A chance of rain. Mostly cloudy, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
A chance of rain. Partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Brinnon WA
 47.68°N 123.01°W (Elev. 407 ft)
11:28 am PDT Apr 15, 2026
1pm 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