Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

White Pass (TWHIT)

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

light snow

27°F

-3°C

Humidity	70%
Wind Speed	W 3 MPH
Barometer	NA
Dewpoint	19°F (-7°C)
Visibility	1.24 mi
Last update	10 Mar 01:11 PM PDT

More Information:

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

Extended Forecast for

4 Miles NNW Chinook Pass WA

Winter Storm Watch March 12, 05:00am until March 14, 05:00am

Winter Weather Advisory March 10, 01:31pm until March 11, 06:00pm

Blizzard Warning March 11, 06:00pm until March 12, 05:00am

Click here for hazard details and duration

Winter Storm Watch

Winter Weather Advisory

Blizzard Warning

Winter Weather Advisory March 10, 01:31pm until March 11, 06:00pm
NOW until 6:00pm Wed
Winter Weather Advisory
This Afternoon
High: 29 °F
Snow
Tonight
Low: 25 °F
Snow
Wednesday
High: 36 °F
Rain/Snow
Wednesday Night
Low: 28 °F
Rain/Snow and
Breezy
Thursday
High: 34 °F
Rain/Snow and
Breezy then
Heavy Snow
Thursday Night
Low: 30 °F
Rain/Snow
Friday
High: 36 °F
Rain/Snow
Friday Night
Low: 19 °F
Rain/Snow
then Snow
Likely

Detailed Forecast

This Afternoon

Snow, mainly after 2pm. High near 29. Wind chill values between 16 and 21. South southwest wind around 14 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.

Tonight

Snow. Steady temperature around 25. Wind chill values between 12 and 17. Southwest wind 11 to 14 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Wednesday

Snow before 11am, then snow, possibly mixed with rain. The snow could be heavy at times. High near 36. Wind chill values between 14 and 24. South southeast wind 9 to 14 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

Wednesday Night

Rain and snow. Low around 28. Wind chill values between 18 and 23. Breezy, with a south southwest wind 9 to 14 mph becoming west 17 to 22 mph in the evening. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Thursday

Rain and snow showers, becoming all snow after 8am. The snow could be heavy at times. High near 34. Breezy, with a west wind 18 to 23 mph decreasing to 10 to 15 mph in the morning. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

Thursday Night

Snow before 11pm, then rain and snow. Low around 30. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Friday

Rain and snow. The rain could be heavy at times. High near 36. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Friday Night

Snow, possibly mixed with rain, becoming all snow after 11pm. The snow could be heavy at times. Mostly cloudy, with a low around 19.

Saturday

Snow likely before 11am, then snow showers likely after 11am. Mostly cloudy, with a high near 32.

Saturday Night

A chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 18.

Sunday

Snow likely. Mostly cloudy, with a high near 38.