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

34°F

1°C

Humidity 97%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 15 Apr 03:36 AM PDT
Extended Forecast for

10 Miles WNW Liliwaup WA

  • Overnight

    Overnight: A 30 percent chance of snow, mainly after 5am.  Mostly cloudy, with a low around 30. Northwest wind around 5 mph.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow likely before 11am, then snow showers, mainly after 11am. Some thunder is also possible.  High near 44. West wind 3 to 8 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 44 °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 28. North northwest wind 3 to 6 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 28 °F

    Snow Likely
    then Clear

  • Thursday

    Thursday: Sunny, with a high near 51. Wind chill values between 25 and 35 early. Light and variable wind becoming west southwest around 6 mph in the afternoon.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33. North northwest wind 3 to 8 mph.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Friday Night

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

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain after 11am.  Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Rain Likely

Detailed Forecast

Overnight
A 30 percent chance of snow, mainly after 5am. Mostly cloudy, with a low around 30. Northwest wind around 5 mph. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Snow likely before 11am, then snow showers, mainly after 11am. Some thunder is also possible. High near 44. West wind 3 to 8 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow likely, mainly before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 28. North northwest wind 3 to 6 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
Sunny, with a high near 51. Wind chill values between 25 and 35 early. Light and variable wind becoming west southwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 33. North northwest wind 3 to 8 mph.
Friday
Partly sunny, with a high near 51.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
A chance of rain after 11am. Mostly cloudy, with a high near 56.
Saturday Night
Rain likely. Mostly cloudy, with a low around 45.
Sunday
A chance of rain. Partly sunny, with a high near 61.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 44.
Monday
A chance of rain. Mostly sunny, with a high near 64.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 44.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WNW Liliwaup WA
 47.51°N 123.34°W (Elev. 2405 ft)
1:16 am PDT Apr 15, 2026
4am 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