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

45°F

7°C

Humidity 51%
Wind Speed S 4 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill43°F (6°C)
Last update 15 Apr 03:36 PM PDT
Extended Forecast for

11 Miles W Liliwaup WA

  • This Afternoon

    This Afternoon: Snow showers likely, mainly after 5pm. Some thunder is also possible.  Partly sunny, with a high near 34. Wind chill values between 23 and 28. West wind around 15 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 34 °F

    Snow Showers
    Likely

  • Tonight

    Tonight: Snow showers likely, mainly before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 26. Wind chill values between 18 and 23. Northwest wind 7 to 10 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Snow Showers
    Likely then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 42. Wind chill values between 20 and 30. Northwest wind 6 to 14 mph becoming south southwest in the morning. Winds could gust as high as 20 mph.

    High: 42 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30. West northwest wind 7 to 15 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 43. North northwest wind around 6 mph becoming light and variable.

    High: 43 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm.  Mostly cloudy, with a high near 48. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of rain.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain.  Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance Rain

Detailed Forecast

This Afternoon
Snow showers likely, mainly after 5pm. Some thunder is also possible. Partly sunny, with a high near 34. Wind chill values between 23 and 28. West wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow showers likely, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 26. Wind chill values between 18 and 23. Northwest wind 7 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Sunny, with a high near 42. Wind chill values between 20 and 30. Northwest wind 6 to 14 mph becoming south southwest in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 30. West northwest wind 7 to 15 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 43. North northwest wind around 6 mph becoming light and variable.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
A slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Mostly cloudy, with a high near 48. Chance of precipitation is 20%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 43.
Sunday
A chance of rain. Mostly cloudy, with a high near 53.
Sunday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 58.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 44.
Tuesday
A chance of rain. Partly sunny, with a high near 52.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 42.
Wednesday
A chance of rain. Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles W Liliwaup WA
 47.48°N 123.36°W (Elev. 3917 ft)
2:10 pm PDT Apr 15, 2026
4pm PDT Apr 15, 2026-6pm PDT Apr 22, 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