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

Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Current conditions at

White Pass (TWHIT)

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

NA

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
Extended Forecast for

5 Miles SSE Chinook Pass WA

  • Overnight

    Overnight: Rain, possibly mixed with snow, becoming all snow after 2am. Low around 33. Wind chill values between 23 and 28. Breezy, with a west wind 18 to 22 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow and
    Breezy

  • Wednesday

    Wednesday: Snow, mainly before 1pm. High near 37. Wind chill values between 21 and 26. Breezy, with a west southwest wind 22 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow between 9pm and 11pm. Mostly cloudy, with a low around 30. Wind chill values between 19 and 24. Breezy, with a west wind 18 to 24 mph, with gusts as high as 31 mph.

    Low: 30 °F

    Slight Chance
    Snow and
    Breezy then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 43. Wind chill values between 22 and 32. West northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 43 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 33 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 30.

    Low: 30 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Saturday

    Saturday: A slight chance of snow after 11am, mixing with rain after 5pm. Mostly sunny, with a high near 43.

    High: 43 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 11pm. Partly cloudy, with a low around 28.

    Low: 28 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

Detailed Forecast

Overnight
Rain, possibly mixed with snow, becoming all snow after 2am. Low around 33. Wind chill values between 23 and 28. Breezy, with a west wind 18 to 22 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Snow, mainly before 1pm. High near 37. Wind chill values between 21 and 26. Breezy, with a west southwest wind 22 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday Night
A 20 percent chance of snow between 9pm and 11pm. Mostly cloudy, with a low around 30. Wind chill values between 19 and 24. Breezy, with a west wind 18 to 24 mph, with gusts as high as 31 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 43. Wind chill values between 22 and 32. West northwest wind around 15 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 29. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 33 mph.
Friday
Mostly sunny, with a high near 44.
Friday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 30.
Saturday
A slight chance of snow after 11am, mixing with rain after 5pm. Mostly sunny, with a high near 43.
Saturday Night
A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 11pm. Partly cloudy, with a low around 28.
Sunday
A slight chance of snow between 11am and 5pm, then a chance of rain and snow. Mostly sunny, with a high near 45.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 30.
Monday
A slight chance of rain and snow. Mostly sunny, with a high near 48.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 32.
Tuesday
Mostly sunny, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Chinook Pass WA
 46.8°N 121.45°W (Elev. 5774 ft)
Last Update:
11:26 pm PDT Apr 21, 2026
Forecast Valid:
12am PDT Apr 22, 2026-6pm PDT Apr 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation