Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather from the Southern Plains to the Great Lakes

Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

Current conditions at

JEFFERSON CREEK (JEFW1)

Lat: 47.5491°NLon: 123.21759°WElev: 2408.0ft.

NA

37°F

3°C

Humidity 91%
Wind Speed SSW 5 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 14 Apr 01:36 PM PDT
Extended Forecast for

19 Miles NW Liliwaup WA

Winter Weather Advisory April 14, 02:43pm until April 14, 11:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory April 14, 02:43pm until April 14, 11:00pm

    NOW until 11:00pm Tue

    Winter Weather Advisory

  • This Afternoon

    High: 38 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow before 8pm, then a chance of snow after 2am.  Low around 22. Northwest wind 6 to 14 mph, with gusts as high as 33 mph.  Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 22 °F

    Rain/Snow
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow likely before 11am, then snow showers, mainly after 11am. Some thunder is also possible.  High near 36. Wind chill values between 17 and 27. West wind 6 to 10 mph.  Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 36 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow before 11pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 22. North northwest wind 5 to 9 mph.  New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance Snow
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 43. North northwest wind 6 to 9 mph becoming west southwest in the morning.

    High: 43 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow, possibly mixed with rain. The rain could be heavy at times. High near 38. Southwest wind around 17 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Rain and snow before 8pm, then a chance of snow after 2am. Low around 22. Northwest wind 6 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Wednesday
Snow likely before 11am, then snow showers, mainly after 11am. Some thunder is also possible. High near 36. Wind chill values between 17 and 27. West wind 6 to 10 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Wednesday Night
A 50 percent chance of snow before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 22. North northwest wind 5 to 9 mph. New snow accumulation of less than a half inch possible.
Thursday
Sunny, with a high near 43. North northwest wind 6 to 9 mph becoming west southwest in the morning.
Thursday Night
Partly cloudy, with a low around 27.
Friday
Partly sunny, with a high near 43.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
A chance of rain after 11am. Partly sunny, with a high near 49.
Saturday Night
Rain likely. Mostly cloudy, with a low around 38.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 49.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 35.
Monday
A chance of rain. Partly sunny, with a high near 50.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles NW Liliwaup WA
 47.67°N 123.39°W (Elev. 2008 ft)
11:27 am PDT Apr 14, 2026
2pm PDT Apr 14, 2026-6pm PDT Apr 20, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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