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

35°F

2°C

Humidity 79%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 15 Apr 11:36 AM PDT
Extended Forecast for

12 Miles NW Liliwaup WA

  • This Afternoon

    This Afternoon: Snow showers, mainly before 5pm, then a chance of snow after 5pm. Some thunder is also possible.  High near 28. Wind chill values between 13 and 18. West wind around 16 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 28 °F

    Snow Showers

  • Tonight

    Tonight: Snow likely, mainly before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 20. Wind chill values between 9 and 14. North northwest wind 9 to 11 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Snow Likely
    then Mostly
    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 36. Wind chill values between 12 and 22. North wind 8 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 36 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. Wind chill values between 17 and 22. North northwest wind 8 to 15 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 37. North wind 5 to 8 mph becoming south in the afternoon.

    High: 37 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after 5pm.  Mostly cloudy, with a high near 43. Little or no snow accumulation expected.

    High: 43 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of rain and snow before 8pm, then a chance of rain.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Sunday

    Sunday: A chance of rain.  Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

Detailed Forecast

This Afternoon
Snow showers, mainly before 5pm, then a chance of snow after 5pm. Some thunder is also possible. High near 28. Wind chill values between 13 and 18. West wind around 16 mph, with gusts as high as 22 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 20. Wind chill values between 9 and 14. North northwest wind 9 to 11 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Increasing clouds, with a high near 36. Wind chill values between 12 and 22. North wind 8 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 26. Wind chill values between 17 and 22. North northwest wind 8 to 15 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 37. North wind 5 to 8 mph becoming south in the afternoon.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
A 30 percent chance of snow, mainly after 5pm. Mostly cloudy, with a high near 43. Little or no snow accumulation expected.
Saturday Night
A chance of rain and snow before 8pm, then a chance of rain. Mostly cloudy, with a low around 38.
Sunday
A chance of rain. Mostly cloudy, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 39.
Monday
Partly sunny, with a high near 53.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 40.
Tuesday
A chance of rain. Partly sunny, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NW Liliwaup WA
 47.57°N 123.33°W (Elev. 5351 ft)
11:28 am PDT Apr 15, 2026
12pm 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