National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 >

Hazardous Weather Conditions

Current conditions at

JOHNSON RIDGE (SKKW1)

Lat: 47.79992°NLon: 121.286°WElev: 2028.0ft.

NA

37°F

3°C

Humidity 100%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 14 Apr 07:29 AM PDT
Extended Forecast for

15 Miles WNW Trinity WA

Winter Storm Warning April 14, 11:00am until April 15, 11:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Today

    Today: Snow. The snow could be heavy at times. High near 27. Wind chill values between 12 and 17. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 10 to 14 inches possible.

    High: 27 °F

    Heavy Snow
    and Breezy

  • Tonight

    Tonight: Snow, mainly before 1am. The snow could be heavy at times. Low around 15. Wind chill values between 2 and 12. Breezy, with a southwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.

    Low: 15 °F

    Heavy Snow
    and Breezy
    then Heavy
    Snow

  • Wednesday

    Wednesday: A chance of snow before 11am, then snow showers after 11am. Some thunder is also possible. High near 22. Wind chill values between 5 and 10. West wind 10 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 22 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 17. Wind chill values between 5 and 10. West wind 10 to 20 mph, with gusts as high as 29 mph. New snow accumulation of less than one inch possible.

    Low: 17 °F

    Chance Snow
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 26. Breezy, with a west wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph. Little or no snow accumulation expected.

    High: 26 °F

    Chance Snow
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 18. Breezy.

    Low: 18 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

Detailed Forecast

Today
Snow. The snow could be heavy at times. High near 27. Wind chill values between 12 and 17. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 10 to 14 inches possible.
Tonight
Snow, mainly before 1am. The snow could be heavy at times. Low around 15. Wind chill values between 2 and 12. Breezy, with a southwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.
Wednesday
A chance of snow before 11am, then snow showers after 11am. Some thunder is also possible. High near 22. Wind chill values between 5 and 10. West wind 10 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 17. Wind chill values between 5 and 10. West wind 10 to 20 mph, with gusts as high as 29 mph. New snow accumulation of less than one inch possible.
Thursday
A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 26. Breezy, with a west wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph. Little or no snow accumulation expected.
Thursday Night
Partly cloudy, with a low around 18. Breezy.
Friday
Mostly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 38.
Saturday Night
A chance of snow before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 31.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 36.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 28.
Monday
Snow likely. Mostly cloudy, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles WNW Trinity WA
 48.15°N 121.15°W (Elev. 6801 ft)
Last Update:
11:27 pm PDT Apr 13, 2026
Forecast Valid:
8am PDT Apr 14, 2026-6pm PDT Apr 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation