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

Super 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 the Northern Mariana Islands. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes through Tuesday. Heavy snow is expected in the Pacific Northwest. Read More >

Current conditions at

JEFFERSON CREEK (JEFW1)

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

NA

36°F

2°C

Humidity 94%
Wind Speed NNW 2 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 14 Apr 01:36 AM PDT
Extended Forecast for

9 Miles WNW Liliwaup WA

  • Overnight

    Overnight: Rain likely, possibly mixed with snow, mainly between 4am and 5am.  Mostly cloudy, with a low around 37. West wind around 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Rain, possibly mixed with snow.  High near 41. West southwest wind 10 to 15 mph, with gusts as high as 31 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow before 11pm, then a chance of snow after 2am.  Low around 30. West southwest wind 6 to 13 mph becoming north northwest after midnight. Winds could gust as high as 29 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow likely before 11am, then snow showers after 11am. Some thunder is also possible.  High near 41. West wind 5 to 9 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 41 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow before 11pm.  Partly cloudy, with a low around 28. Northwest wind 3 to 8 mph.  New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Rain likely, possibly mixed with snow, mainly between 4am and 5am. Mostly cloudy, with a low around 37. West wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
Rain, possibly mixed with snow. High near 41. West southwest wind 10 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday Night
Rain and snow before 11pm, then a chance of snow after 2am. Low around 30. West southwest wind 6 to 13 mph becoming north northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday
Snow likely before 11am, then snow showers after 11am. Some thunder is also possible. High near 41. West wind 5 to 9 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday Night
A 50 percent chance of snow before 11pm. Partly cloudy, with a low around 28. Northwest wind 3 to 8 mph. New snow accumulation of less than a half inch possible.
Thursday
Sunny, with a high near 47.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 48.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Partly sunny, with a high near 53.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 43.
Sunday
Rain likely. Mostly cloudy, with a high near 49.
Sunday Night
Rain likely. Mostly cloudy, with a low around 39.
Monday
Rain likely. Partly sunny, with a high near 51.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Liliwaup WA
 47.51°N 123.31°W (Elev. 2867 ft)
11:27 pm PDT Apr 13, 2026
2am PDT Apr 14, 2026-6pm PDT Apr 20, 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