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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 >

Hazardous Weather Conditions

Current conditions at

JOHNSON RIDGE (SKKW1)

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

NA

44°F

7°C

Humidity 88%
Wind Speed SW 6 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 13 Apr 12:29 PM PDT
Extended Forecast for

13 Miles N Index WA

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

  • This Afternoon

    This Afternoon: Snow, mainly after 3pm. High near 34. Wind chill values between 22 and 27. West wind around 11 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Snow

  • Tonight

    Tonight: Snow, mainly before 5am. Low around 28. Wind chill values between 18 and 23. Southwest wind 11 to 14 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 28 °F

    Snow

  • Tuesday

    Tuesday: Snow, mainly after 7am. The snow could be heavy at times. High near 30. Wind chill values between 14 and 19. Breezy, with a south southwest wind 15 to 22 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.

    High: 30 °F

    Heavy Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times. Low around 21. Wind chill values between 10 and 15. Breezy, with a west wind 13 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

    Low: 21 °F

    Heavy Snow
    and Breezy

  • Wednesday

    Wednesday: Snow, mainly between 11am and 2pm, then snow showers after 2pm. Some thunder is also possible. High near 29. West wind 8 to 17 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    High: 29 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 24. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 24 °F

    Snow Likely
    then Chance
    Snow

  • Thursday

    Thursday: A 40 percent chance of snow. Partly sunny, with a high near 32. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A slight chance of snow. Partly cloudy, with a low around 24.

    Low: 24 °F

    Slight Chance
    Snow

  • Friday

    Friday: A slight chance of snow. Partly sunny, with a high near 35.

    High: 35 °F

    Slight Chance
    Snow

Detailed Forecast

This Afternoon
Snow, mainly after 3pm. High near 34. Wind chill values between 22 and 27. West wind around 11 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow, mainly before 5am. Low around 28. Wind chill values between 18 and 23. Southwest wind 11 to 14 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Tuesday
Snow, mainly after 7am. The snow could be heavy at times. High near 30. Wind chill values between 14 and 19. Breezy, with a south southwest wind 15 to 22 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.
Tuesday Night
Snow. The snow could be heavy at times. Low around 21. Wind chill values between 10 and 15. Breezy, with a west wind 13 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.
Wednesday
Snow, mainly between 11am and 2pm, then snow showers after 2pm. Some thunder is also possible. High near 29. West wind 8 to 17 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Wednesday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 24. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Thursday
A 40 percent chance of snow. Partly sunny, with a high near 32. New snow accumulation of less than a half inch possible.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 24.
Friday
A slight chance of snow. Partly sunny, with a high near 35.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
Mostly cloudy, with a high near 43.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 33.
Sunday
Snow likely. Mostly cloudy, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles N Index WA
 48.01°N 121.52°W (Elev. 5709 ft)
Last Update:
11:27 am PDT Apr 13, 2026
Forecast Valid:
1pm PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

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Chance of Precipitation