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

4 Miles N Chinook Pass WA

  • Overnight

    Overnight: Rain and snow. Low around 32. Wind chill values between 22 and 27. West northwest wind 18 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow, mainly before 4pm. High near 35. Wind chill values between 19 and 24. Breezy, with a west northwest wind 21 to 26 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 11pm. Partly cloudy, with a low around 28. Wind chill values between 17 and 22. Breezy, with a west wind 16 to 22 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 28 °F

    Chance
    Rain/Snow and
    Breezy then
    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow before 11am. Mostly sunny, with a high near 38. Wind chill values between 20 and 27. Northwest wind 13 to 17 mph, with gusts as high as 31 mph.

    High: 38 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 31 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 28.

    Low: 28 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Saturday

    Saturday: A slight chance of snow after 11am. Mostly sunny, with a high near 40.

    High: 40 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A slight chance of snow before 11pm. Partly cloudy, with a low around 27.

    Low: 27 °F

    Slight Chance
    Snow then
    Partly Cloudy

Detailed Forecast

Overnight
Rain and snow. Low around 32. Wind chill values between 22 and 27. West northwest wind 18 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Rain and snow, mainly before 4pm. High near 35. Wind chill values between 19 and 24. Breezy, with a west northwest wind 21 to 26 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
A chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 11pm. Partly cloudy, with a low around 28. Wind chill values between 17 and 22. Breezy, with a west wind 16 to 22 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday
A 20 percent chance of snow before 11am. Mostly sunny, with a high near 38. Wind chill values between 20 and 27. Northwest wind 13 to 17 mph, with gusts as high as 31 mph.
Thursday Night
Mostly clear, with a low around 28. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 31 mph.
Friday
Mostly sunny, with a high near 40.
Friday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 28.
Saturday
A slight chance of snow after 11am. Mostly sunny, with a high near 40.
Saturday Night
A slight chance of snow before 11pm. Partly cloudy, with a low around 27.
Sunday
A chance of snow after 11am, mixing with rain after 2pm. Mostly sunny, with a high near 41.
Sunday Night
A chance of rain and snow. Partly cloudy, with a low around 29.
Monday
A chance of snow. Mostly sunny, with a high near 44.
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:
4 Miles N Chinook Pass WA
 46.92°N 121.52°W (Elev. 4774 ft)
Last Update:
1:23 am PDT Apr 22, 2026
Forecast Valid:
3am PDT Apr 22, 2026-6pm PDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation