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

33°F

1°C

Humidity 98%
Wind Speed N 2 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 15 Apr 05:36 AM PDT
Extended Forecast for

15 Miles NW Liliwaup WA

  • Today

    Today: Snow showers, mainly before 5pm, then snow likely after 5pm. Some thunder is also possible.  High near 31. Wind chill values between 15 and 22. West wind 6 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.

    High: 31 °F

    Snow Showers

  • Tonight

    Tonight: Snow likely, mainly before 7pm.  Mostly cloudy during the early evening, then gradual clearing, with a low around 22. Wind chill values between 14 and 19. 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 16 and 26. Northwest wind 6 to 10 mph becoming west southwest in the morning. Winds could gust as high as 21 mph.

    High: 38 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. West wind 5 to 11 mph becoming north northwest after midnight. Winds could gust as high as 23 mph.

    Low: 26 °F

    Partly Cloudy

  • Friday

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

    High: 40 °F

    Partly Sunny

  • Friday Night

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

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow after 11am, mixing with rain after 2pm.  Mostly cloudy, with a high near 46. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 46 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain likely before 2am, then rain and snow likely.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain likely, possibly mixed with snow.  Mostly cloudy, with a high near 51.

    High: 51 °F

    Rain/Snow
    Likely

Detailed Forecast

Today
Snow showers, mainly before 5pm, then snow likely after 5pm. Some thunder is also possible. High near 31. Wind chill values between 15 and 22. West wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow likely, mainly before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 22. Wind chill values between 14 and 19. 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 16 and 26. Northwest wind 6 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 11 mph becoming north northwest after midnight. Winds could gust as high as 23 mph.
Friday
Partly 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 31.
Saturday
A chance of snow after 11am, mixing with rain after 2pm. Mostly cloudy, with a high near 46. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday Night
Rain likely before 2am, then rain and snow likely. Mostly cloudy, with a low around 38.
Sunday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 51.
Sunday Night
A chance of rain and snow before 8pm, then a chance of rain. Mostly cloudy, with a low around 39.
Monday
A chance of rain. Partly sunny, with a high near 55.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 40.
Tuesday
A chance of rain and snow. Mostly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NW Liliwaup WA
 47.64°N 123.31°W (Elev. 4295 ft)
1:16 am PDT Apr 15, 2026
6am PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database