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

3 Miles W Chinook Pass WA

  • Tonight

    Tonight: Rain likely before 11pm, then rain and snow. Steady temperature around 36. Wind chill values between 24 and 29. West northwest wind 14 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 36 °F

    Rain/Snow
    Likely then
    Rain/Snow

  • Wednesday

    Wednesday: Snow, mainly before 2pm. High near 36. Wind chill values between 20 and 25. South wind 18 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 29. Wind chill values between 20 and 25. West wind 11 to 20 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow before 11am. Mostly sunny, with a high near 39. Wind chill values between 21 and 29. Northwest wind 10 to 17 mph, with gusts as high as 22 mph.

    High: 39 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. Northwest wind 9 to 14 mph becoming light in the evening. Winds could gust as high as 28 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of snow after 11am. Sunny, with a high near 43.

    High: 43 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: A slight chance of rain and snow before 11pm. Partly cloudy, with a low around 28. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Saturday

    Saturday: A slight chance of snow after 11am, mixing with rain after 2pm. Sunny, with a high near 43.

    High: 43 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain likely before 11pm, then rain and snow. Steady temperature around 36. Wind chill values between 24 and 29. West northwest wind 14 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Snow, mainly before 2pm. High near 36. Wind chill values between 20 and 25. South wind 18 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday Night
A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 29. Wind chill values between 20 and 25. West wind 11 to 20 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.
Thursday
A 20 percent chance of snow before 11am. Mostly sunny, with a high near 39. Wind chill values between 21 and 29. Northwest wind 10 to 17 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 28. Northwest wind 9 to 14 mph becoming light in the evening. Winds could gust as high as 28 mph.
Friday
A 20 percent chance of snow after 11am. Sunny, with a high near 43.
Friday Night
A slight chance of rain and snow before 11pm. Partly cloudy, with a low around 28. Chance of precipitation is 20%.
Saturday
A slight chance of snow after 11am, mixing with rain after 2pm. Sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
A chance of snow after 11am, mixing with rain after 5pm. Mostly sunny, with a high near 42.
Sunday Night
A chance of rain and snow. Partly cloudy, with a low around 31.
Monday
A chance of rain and snow. Mostly sunny, with a high near 43.
Monday Night
A slight chance of rain and snow. Partly cloudy, with a low around 31.
Tuesday
A slight chance of rain and snow. Mostly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Chinook Pass WA
 46.87°N 121.57°W (Elev. 5427 ft)
Last Update:
2:15 pm PDT Apr 21, 2026
Forecast Valid:
9pm PDT Apr 21, 2026-6pm PDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation