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 SSW Chinook Pass WA

  • Overnight

    Overnight: Rain and snow. Steady temperature around 42. West southwest wind 10 to 13 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 42 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow before 1pm, then a chance of rain. High near 45. South southwest wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: A slight chance of rain, mixing with snow after 9pm, then gradually ending. Mostly cloudy, with a low around 35. West southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 51. West southwest wind 7 to 10 mph becoming northwest in the morning. Winds could gust as high as 25 mph.

    High: 51 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34. Northwest wind 5 to 10 mph becoming light north northwest after midnight. Winds could gust as high as 28 mph.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of snow after 11am, mixing with rain after 2pm. Mostly sunny, with a high near 52. Chance of precipitation is 20%.

    High: 52 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Friday Night

    Friday Night: A slight chance of rain and snow before 11pm. Partly cloudy, with a low around 34. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Saturday

    Saturday: A slight chance of snow after 11am, mixing with rain after 2pm. Mostly sunny, with a high near 52.

    High: 52 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A slight chance of rain and snow before 11pm. Partly cloudy, with a low around 33.

    Low: 33 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

Detailed Forecast

Overnight
Rain and snow. Steady temperature around 42. West southwest wind 10 to 13 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday
Rain and snow before 1pm, then a chance of rain. High near 45. South southwest wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
A slight chance of rain, mixing with snow after 9pm, then gradually ending. Mostly cloudy, with a low around 35. West southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday
A 20 percent chance of snow before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 51. West southwest wind 7 to 10 mph becoming northwest in the morning. Winds could gust as high as 25 mph.
Thursday Night
Mostly clear, with a low around 34. Northwest wind 5 to 10 mph becoming light north northwest after midnight. Winds could gust as high as 28 mph.
Friday
A slight chance of snow after 11am, mixing with rain after 2pm. Mostly sunny, with a high near 52. Chance of precipitation is 20%.
Friday Night
A slight chance of rain and snow before 11pm. Partly cloudy, with a low around 34. Chance of precipitation is 20%.
Saturday
A slight chance of snow after 11am, mixing with rain after 2pm. Mostly sunny, with a high near 52.
Saturday Night
A slight chance of rain and snow before 11pm. Partly cloudy, with a low around 33.
Sunday
A slight chance of rain and snow after 11am. Mostly sunny, with a high near 53.
Sunday Night
A chance of rain and snow. Partly cloudy, with a low around 35.
Monday
A slight chance of rain. Mostly sunny, with a high near 56.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 37.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Chinook Pass WA
 46.84°N 121.52°W (Elev. 4052 ft)
Last Update:
1:23 am PDT Apr 22, 2026
Forecast Valid:
2am PDT Apr 22, 2026-6pm PDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation