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

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

JEFFERSON CREEK (JEFW1)

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

NA

43°F

6°C

Humidity 97%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 13 Apr 10:36 AM PDT
Extended Forecast for

18 Miles SSE Hurricane Ridge WA

  • Today

    Today: Snow likely, mainly between 2pm and 3pm.  Mostly cloudy, with a high near 32. Wind chill values between 17 and 22. West wind 16 to 20 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 32 °F

    Snow Likely

  • Tonight

    Tonight: Snow likely, mainly after 4am.  Mostly cloudy, with a low around 25. Wind chill values between 12 and 17. West wind 15 to 20 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 25 °F

    Snow Likely

  • Tuesday

    Tuesday: Snow. The snow could be heavy at times.  High near 27. Wind chill values between 8 and 13. Windy, with a southwest wind 20 to 25 mph increasing to 27 to 32 mph in the afternoon. Winds could gust as high as 40 mph.  Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.

    High: 27 °F

    Heavy Snow
    and Windy

  • Tuesday Night

    Tuesday Night: Snow, mainly before 11pm. The snow could be heavy at times.  Low around 17. Wind chill values between 2 and 9. Windy, with a west wind 26 to 31 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 40 mph.  Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    Low: 17 °F

    Heavy Snow
    and Windy
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow likely before 11am, then snow showers after 11am. Some thunder is also possible.  High near 25. West wind 14 to 20 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 25 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow likely before 11pm.  Partly cloudy, with a low around 15. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 15 °F

    Snow Likely
    then Mostly
    Clear

  • Thursday

    Thursday: A 20 percent chance of snow after 11am.  Sunny, with a high near 31.

    High: 31 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

Detailed Forecast

Today
Snow likely, mainly between 2pm and 3pm. Mostly cloudy, with a high near 32. Wind chill values between 17 and 22. West wind 16 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow likely, mainly after 4am. Mostly cloudy, with a low around 25. Wind chill values between 12 and 17. West wind 15 to 20 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Tuesday
Snow. The snow could be heavy at times. High near 27. Wind chill values between 8 and 13. Windy, with a southwest wind 20 to 25 mph increasing to 27 to 32 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.
Tuesday Night
Snow, mainly before 11pm. The snow could be heavy at times. Low around 17. Wind chill values between 2 and 9. Windy, with a west wind 26 to 31 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Wednesday
Snow likely before 11am, then snow showers after 11am. Some thunder is also possible. High near 25. West wind 14 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow likely before 11pm. Partly cloudy, with a low around 15. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday
A 20 percent chance of snow after 11am. Sunny, with a high near 31.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Mostly sunny, with a high near 33.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
A slight chance of snow. Partly sunny, with a high near 37.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 30.
Sunday
Snow likely. Mostly cloudy, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles SSE Hurricane Ridge WA
 47.72°N 123.34°W (Elev. 6598 ft)
11:27 pm PDT Apr 12, 2026
10am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database