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

16 Miles NW Liliwaup WA

  • This Afternoon

    This Afternoon: Snow showers, mainly before 3pm, then snow likely after 5pm. Some thunder is also possible.  High near 31. Wind chill values between 20 and 25. West wind around 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Snow Showers

  • Tonight

    Tonight: Snow likely, mainly before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 22. Wind chill values between 14 and 19. North northwest wind 6 to 8 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Snow Likely
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 38. Wind chill values between 17 and 27. North northwest wind 5 to 10 mph becoming west in the morning.

    High: 38 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. West wind 5 to 10 mph becoming north after midnight.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 40. Light and variable wind becoming southeast around 6 mph in the afternoon.

    High: 40 °F

    Mostly Sunny

  • Friday Night

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

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after 11am.  Mostly cloudy, with a high near 45.

    High: 45 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A chance of rain.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain.  Mostly cloudy, with a high near 50.

    High: 50 °F

    Chance Rain

Detailed Forecast

This Afternoon
Snow showers, mainly before 3pm, then snow likely after 5pm. Some thunder is also possible. High near 31. Wind chill values between 20 and 25. West wind around 10 mph, with gusts as high as 21 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 22. Wind chill values between 14 and 19. North northwest wind 6 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Sunny, with a high near 38. Wind chill values between 17 and 27. North northwest wind 5 to 10 mph becoming west in the morning.
Thursday Night
Partly cloudy, with a low around 27. West wind 5 to 10 mph becoming north after midnight.
Friday
Mostly sunny, with a high near 40. Light and variable wind becoming southeast around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 45.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 40.
Sunday
A chance of rain. Mostly cloudy, with a high near 50.
Sunday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 57.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Tuesday
A chance of rain. Partly sunny, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NW Liliwaup WA
 47.61°N 123.37°W (Elev. 5138 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