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

34°F

1°C

Humidity 97%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 15 Apr 03:36 AM PDT
Extended Forecast for

4 Miles WSW Brinnon WA

  • Overnight

    Overnight: A 10 percent chance of snow after 5am.  Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Rain showers and snow before 3pm, then rain showers between 3pm and 5pm, then rain, possibly mixed with snow showers after 5pm. Some thunder is also possible.  High near 47. Calm wind becoming south around 6 mph in the afternoon.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 47 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Light west wind.  Little or no snow accumulation expected.

    Low: 31 °F

    Chance Snow
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 52. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 37. East wind around 5 mph becoming calm  in the evening.

    Low: 37 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain after 11am.  Mostly cloudy, with a high near 61.

    High: 61 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A chance of rain.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

Detailed Forecast

Overnight
A 10 percent chance of snow after 5am. Mostly cloudy, with a low around 34. Calm wind.
Wednesday
Rain showers and snow before 3pm, then rain showers between 3pm and 5pm, then rain, possibly mixed with snow showers after 5pm. Some thunder is also possible. High near 47. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
A 30 percent chance of snow before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Light west wind. Little or no snow accumulation expected.
Thursday
Sunny, with a high near 52. Calm wind becoming south southeast around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 37. East wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 54.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
A slight chance of rain after 11am. Mostly cloudy, with a high near 61.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 46.
Sunday
A chance of rain. Mostly cloudy, with a high near 63.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 46.
Monday
A chance of rain. Partly sunny, with a high near 66.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 47.
Tuesday
A chance of rain. Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Brinnon WA
 47.69°N 122.98°W (Elev. 1814 ft)
1:16 am PDT Apr 15, 2026
4am 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

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