Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather 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 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 94%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 14 Apr 07:36 AM PDT
Extended Forecast for

4 Miles WNW Liliwaup WA

  • Today

    Today: Rain, possibly mixed with snow, becoming all rain after 10am.  High near 45. Southwest wind 11 to 18 mph, with gusts as high as 31 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    then Rain

  • Tonight

    Tonight: Rain before 11pm, then a chance of rain and snow after 2am.  Low around 32. West southwest wind 10 to 15 mph becoming light and variable  after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow showers before 2pm, then rain showers between 2pm and 5pm, then rain, possibly mixed with snow showers after 5pm. Some thunder is also possible.  High near 46. Light west wind increasing to 5 to 9 mph in the afternoon.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 8pm, then a chance of rain between 8pm and 11pm.  Partly cloudy, with a low around 29. West northwest wind 3 to 7 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 29 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 52. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

Today
Rain, possibly mixed with snow, becoming all rain after 10am. High near 45. Southwest wind 11 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tonight
Rain before 11pm, then a chance of rain and snow after 2am. Low around 32. West southwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
Rain and snow showers before 2pm, then rain showers between 2pm and 5pm, then rain, possibly mixed with snow showers after 5pm. Some thunder is also possible. High near 46. Light west wind increasing to 5 to 9 mph in the afternoon. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
A chance of rain and snow before 8pm, then a chance of rain between 8pm and 11pm. Partly cloudy, with a low around 29. West northwest wind 3 to 7 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday
Sunny, with a high near 52. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 52.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Partly sunny, with a high near 57.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 43.
Sunday
Rain likely. Mostly cloudy, with a high near 53.
Sunday Night
Rain likely. Mostly cloudy, with a low around 40.
Monday
Rain likely. Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Liliwaup WA
 47.48°N 123.2°W (Elev. 856 ft)
11:27 pm PDT Apr 13, 2026
8am PDT Apr 14, 2026-6pm PDT Apr 20, 2026
 
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Additional Resources

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National Digital Forecast Database