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

36°F

2°C

Humidity 92%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 15 Apr 09:36 AM PDT
Extended Forecast for

21 Miles NW Liliwaup WA

  • Today

    Today: Snow showers, mainly before 5pm, then snow likely after 5pm. The snow could be heavy at times. Some thunder is also possible.  High near 33. Wind chill values between 19 and 24. West wind 7 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. Total daytime snow accumulation of 3 to 5 inches possible.

    High: 33 °F

    Heavy Snow

  • Tonight

    Tonight: Snow likely, mainly before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 22. Wind chill values between 15 and 20. North northwest wind around 7 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 22 °F

    Snow Likely
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 40. Wind chill values between 16 and 26. North northwest wind 5 to 10 mph becoming west southwest in the morning. Winds could gust as high as 21 mph.

    High: 40 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. West wind 5 to 9 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 41. Light and variable wind becoming south around 6 mph in the afternoon.

    High: 41 °F

    Partly Sunny

  • Friday Night

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

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain after 11am.  Mostly cloudy, with a high near 46.

    High: 46 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A chance of rain.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain.  Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance Rain

Detailed Forecast

Today
Snow showers, mainly before 5pm, then snow likely after 5pm. The snow could be heavy at times. Some thunder is also possible. High near 33. Wind chill values between 19 and 24. West wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
Snow likely, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 22. Wind chill values between 15 and 20. North northwest wind around 7 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday
Sunny, with a high near 40. Wind chill values between 16 and 26. North northwest wind 5 to 10 mph becoming west southwest in the morning. Winds could gust as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 26. West wind 5 to 9 mph becoming north after midnight. Winds could gust as high as 20 mph.
Friday
Partly sunny, with a high near 41. Light and variable wind becoming south around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 46.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 38.
Sunday
A chance of rain. Mostly cloudy, with a high near 52.
Sunday Night
A chance of rain before 11pm. Mostly cloudy, with a low around 39.
Monday
A slight chance of rain. Partly sunny, with a high near 55.
Monday Night
A chance of rain. Partly cloudy, with a low around 40.
Tuesday
A chance of rain. Mostly sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NW Liliwaup WA
 47.66°N 123.45°W (Elev. 3396 ft)
9:38 am PDT Apr 15, 2026
9am 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