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

38°F

3°C

Humidity 95%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 14 Apr 07:36 PM PDT
Extended Forecast for

13 Miles NNW Liliwaup WA

Winter Weather Advisory April 14, 08:16pm until April 14, 11:00pm
Click here for hazard details and duration
...
  •  
    Winter Weather Advisory April 14, 08:16pm until April 14, 11:00pm

    NOW until 11:00pm Tue

    Winter Weather Advisory

  • Tonight

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow before 11am, then snow showers, mainly after 11am. Some thunder is also possible.  High near 35. Wind chill values between 16 and 26. West wind 7 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 35 °F

    Snow Showers
    Likely then
    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 23. Wind chill values between 15 and 20. West northwest wind 7 to 9 mph.  New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 40. Wind chill values between 16 and 26. West northwest wind 6 to 9 mph becoming south southwest in the morning. Winds could gust as high as 20 mph.

    High: 40 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29. West wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain and snow after 11am.  Partly sunny, with a high near 48.

    High: 48 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Tonight
A 30 percent chance of snow, mainly between 2am and 3am. Mostly cloudy, with a low around 24. Wind chill values between 16 and 21. Northwest wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 45 mph. Total nighttime snow accumulation of 1 to 2 inches possible.
Wednesday
A chance of snow before 11am, then snow showers, mainly after 11am. Some thunder is also possible. High near 35. Wind chill values between 16 and 26. West wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday Night
A 50 percent chance of snow before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 23. Wind chill values between 15 and 20. West northwest wind 7 to 9 mph. New snow accumulation of less than a half inch possible.
Thursday
Sunny, with a high near 40. Wind chill values between 16 and 26. West northwest wind 6 to 9 mph becoming south southwest in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 29. West wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
A slight chance of rain and snow after 11am. Partly sunny, with a high near 48.
Saturday Night
Rain and snow likely before 11pm, then rain likely between 11pm and 2am, then rain and snow likely after 2am. Mostly cloudy, with a low around 39.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 46.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 35.
Monday
A chance of rain and snow. Partly sunny, with a high near 48.
Monday Night
A chance of rain and snow. Partly cloudy, with a low around 35.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Liliwaup WA
 47.64°N 123.19°W (Elev. 4022 ft)
11:27 am PDT Apr 14, 2026
8pm PDT Apr 14, 2026-6pm PDT Apr 21, 2026
 
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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