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

12 Miles NW Liliwaup WA

  • This Afternoon

    This Afternoon: Snow showers, mainly before 3pm, then a chance of snow after 5pm. Some thunder is also possible.  High near 29. Wind chill values between 16 and 21. West wind around 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 29 °F

    Snow Showers

  • Tonight

    Tonight: Snow likely, mainly before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 21. Wind chill values between 11 and 16. North northwest wind 8 to 10 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Snow Likely
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 37. Wind chill values between 13 and 23. North wind 7 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 37 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. Wind chill values between 19 and 24. West northwest wind 7 to 14 mph, with gusts as high as 21 mph.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 39. North wind around 7 mph becoming south in the afternoon.

    High: 39 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow after 11am, mixing with rain after 2pm.  Mostly cloudy, with a high near 44. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of rain.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain.  Mostly cloudy, with a high near 49.

    High: 49 °F

    Chance Rain

Detailed Forecast

This Afternoon
Snow showers, mainly before 3pm, then a chance of snow after 5pm. Some thunder is also possible. High near 29. Wind chill values between 16 and 21. West wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow likely, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 21. Wind chill values between 11 and 16. North northwest wind 8 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Sunny, with a high near 37. Wind chill values between 13 and 23. North wind 7 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 27. Wind chill values between 19 and 24. West northwest wind 7 to 14 mph, with gusts as high as 21 mph.
Friday
Partly sunny, with a high near 39. North wind around 7 mph becoming south in the afternoon.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
A slight chance of snow after 11am, mixing with rain after 2pm. Mostly cloudy, with a high near 44. Chance of precipitation is 20%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 39.
Sunday
A chance of rain. Mostly cloudy, with a high near 49.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 54.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 41.
Tuesday
A chance of rain. Partly sunny, with a high near 50.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NW Liliwaup WA
 47.55°N 123.32°W (Elev. 4708 ft)
11:28 am PDT Apr 15, 2026
1pm PDT Apr 15, 2026-6pm PDT Apr 21, 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