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

Winter Storm Watch in effect from April 14, 11:00 AM PDT until April 15, 11:00 PM PDT

Current conditions at

White Pass (TWHIT)

Lat: 46.638°NLon: 121.39°WElev: 4498.0ft.

N/A

Humidity	70%
Wind Speed	NW 1 MPH
Barometer	NA
Dewpoint	N/A
Visibility	1.24 mi
Last update	03 Apr 10:56 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

5 Miles NNE Chinook Pass WA

Winter Storm Watch April 14, 11:00am until April 15, 11:00pm

Click here for hazard details and duration

Winter Storm Watch

Overnight
Low: 32 °F
Chance Snow
Monday
High: 37 °F
Chance Snow
Monday Night
Low: 26 °F
Chance Snow
then Slight
Chance Snow
Tuesday
High: 35 °F
Snow
Tuesday Night
Low: 23 °F
Heavy Snow
Wednesday
High: 30 °F
Snow
Wednesday Night
Low: 19 °F
Snow then
Chance Snow
Thursday
High: 34 °F
Chance Snow
and Breezy
Thursday Night
Low: 21 °F
Slight Chance
Snow then
Partly Cloudy

Detailed Forecast

Overnight

A 40 percent chance of snow. Mostly cloudy, with a low around 32. Wind chill values between 23 and 28. West wind around 15 mph, with gusts as high as 25 mph. Total nighttime snow accumulation of less than a half inch possible.

Monday

A 50 percent chance of snow, mainly after 9am. Partly sunny, with a high near 37. Wind chill values between 21 and 27. West wind 15 to 18 mph, with gusts as high as 33 mph. New snow accumulation of less than a half inch possible.

Monday Night

A chance of snow before 11pm, then a slight chance of snow after 3am. Mostly cloudy, with a low around 26. Wind chill values between 17 and 22. West southwest wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Tuesday

Snow, mainly after 11am. High near 35. Wind chill values between 16 and 24. Southwest wind 13 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Tuesday Night

Snow. The snow could be heavy at times. Low around 23. West wind 15 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Wednesday

Snow. High near 30. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Wednesday Night

Snow, mainly before 11pm. Low around 19. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Thursday

A chance of snow after 11am. Partly sunny, with a high near 34. Breezy.

Thursday Night

A slight chance of snow before 11pm. Partly cloudy, with a low around 21.

Friday

Mostly sunny, with a high near 39.

Friday Night

Partly cloudy, with a low around 25.