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 98%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 15 Apr 12:36 AM PDT
Extended Forecast for

13 Miles NW Liliwaup WA

  • Overnight

    Overnight: A 20 percent chance of snow after 2am.  Mostly cloudy, with a low around 19. Wind chill values between 7 and 12. West northwest wind 10 to 14 mph.

    Low: 19 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Snow showers, mainly before 5pm, then snow likely after 5pm. Some thunder is also possible.  High near 27. Wind chill values between 11 and 16. West wind 9 to 16 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 27 °F

    Snow Likely
    then Snow
    Showers

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 7pm.  Mostly cloudy during the early evening, then gradual clearing, with a low around 20. Wind chill values between 9 and 14. North northwest wind 8 to 11 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 20 °F

    Snow Likely
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 35. Wind chill values between 12 and 22. North northwest wind 8 to 14 mph becoming west southwest in the morning. Winds could gust as high as 20 mph.

    High: 35 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25. West wind 7 to 17 mph becoming north northwest after midnight. Winds could gust as high as 22 mph.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Snow likely, mainly after 5pm.  Mostly cloudy, with a high near 43.

    High: 43 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Snow likely before 8pm, then rain likely between 8pm and 11pm, then rain and snow likely after 11pm.  Mostly cloudy, with a low around 37.

    Low: 37 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
A 20 percent chance of snow after 2am. Mostly cloudy, with a low around 19. Wind chill values between 7 and 12. West northwest wind 10 to 14 mph.
Wednesday
Snow showers, mainly before 5pm, then snow likely after 5pm. Some thunder is also possible. High near 27. Wind chill values between 11 and 16. West wind 9 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow likely, mainly before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 20. Wind chill values between 9 and 14. North northwest wind 8 to 11 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday
Sunny, with a high near 35. Wind chill values between 12 and 22. North northwest wind 8 to 14 mph becoming west southwest in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 25. West wind 7 to 17 mph becoming north northwest after midnight. Winds could gust as high as 22 mph.
Friday
Partly sunny, with a high near 36.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
Snow likely, mainly after 5pm. Mostly cloudy, with a high near 43.
Saturday Night
Snow likely before 8pm, then rain likely between 8pm and 11pm, then rain and snow likely after 11pm. Mostly cloudy, with a low around 37.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 47.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Monday
A chance of rain. Partly sunny, with a high near 51.
Monday Night
A slight chance of rain and snow. Partly cloudy, with a low around 38.
Tuesday
A chance of rain and snow. Mostly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NW Liliwaup WA
 47.6°N 123.3°W (Elev. 5174 ft)
1:16 am PDT Apr 15, 2026
1am PDT Apr 15, 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