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 NW Chinook Pass WA

  • Overnight

    Overnight: Rain, possibly mixed with snow. Steady temperature around 37. West northwest wind 11 to 14 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 37 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow, mainly before 1pm. High near 38. Wind chill values between 24 and 30. West wind 14 to 20 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow

  • 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 30. Wind chill values between 22 and 27. West wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow before 11am. Mostly sunny, with a high near 41. Wind chill values between 24 and 34. Northwest wind 7 to 13 mph, with gusts as high as 30 mph.

    High: 41 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Northwest wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 30 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of snow after 11am. Mostly sunny, with a high near 44.

    High: 44 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 29.

    Low: 29 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Saturday

    Saturday: A slight chance of snow after 11am. Mostly sunny, with a high near 44.

    High: 44 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A slight chance of snow before 11pm. Partly cloudy, with a low around 29.

    Low: 29 °F

    Slight Chance
    Snow then
    Partly Cloudy

Detailed Forecast

Overnight
Rain, possibly mixed with snow. Steady temperature around 37. West northwest wind 11 to 14 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Rain and snow, mainly before 1pm. High near 38. Wind chill values between 24 and 30. West wind 14 to 20 mph becoming south southwest in the afternoon. Winds could gust as high as 25 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 30. Wind chill values between 22 and 27. West wind 10 to 16 mph, with gusts as high as 21 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 41. Wind chill values between 24 and 34. Northwest wind 7 to 13 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 29. Northwest wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 30 mph.
Friday
A 20 percent chance of snow after 11am. Mostly sunny, with a high near 44.
Friday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 29.
Saturday
A slight chance of snow after 11am. Mostly sunny, with a high near 44.
Saturday Night
A slight chance of snow before 11pm. Partly cloudy, with a low around 29.
Sunday
A chance of snow after 11am, mixing with rain after 2pm. Mostly sunny, with a high near 45.
Sunday Night
A chance of rain and snow. Partly cloudy, with a low around 30.
Monday
A chance of rain and snow. Mostly sunny, with a high near 48.
Monday Night
A slight chance of rain and snow. Partly cloudy, with a low around 32.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Chinook Pass WA
 46.9°N 121.54°W (Elev. 5262 ft)
Last Update:
11:26 pm PDT Apr 21, 2026
Forecast Valid:
12am PDT Apr 22, 2026-6pm PDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation