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 portions of the central and southern 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

7 Miles SSW Chinook Pass WA

  • This Afternoon

    This Afternoon: Rain likely, mainly between 4pm and 5pm. Mostly cloudy, with a high near 50. South southwest wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Rain Likely

  • Tonight

    Tonight: Rain before 11pm, then rain, possibly mixed with snow. Low around 35. South wind 9 to 13 mph becoming west northwest in the evening. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 35 °F

    Rain/Snow

  • Wednesday

    Wednesday: Snow, mainly before 2pm. High near 38. Southwest wind 11 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 32. West southwest wind 8 to 16 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance Snow
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow before 11am. Mostly sunny, with a high near 44. West northwest wind 6 to 10 mph.

    High: 44 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of snow between 11am and 5pm. Sunny, with a high near 48. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: A slight chance of rain, mixing with snow after 8pm, then gradually ending. Partly cloudy, with a low around 32.

    Low: 32 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Saturday

    Saturday: A slight chance of rain after 11am, mixing with snow after 2pm. Sunny, with a high near 47.

    High: 47 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Rain likely, mainly between 4pm and 5pm. Mostly cloudy, with a high near 50. South southwest wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain before 11pm, then rain, possibly mixed with snow. Low around 35. South wind 9 to 13 mph becoming west northwest in the evening. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday
Snow, mainly before 2pm. High near 38. Southwest wind 11 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 32. West southwest wind 8 to 16 mph, with gusts as high as 21 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 44. West northwest wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 31.
Friday
A slight chance of snow between 11am and 5pm. Sunny, with a high near 48. Chance of precipitation is 20%.
Friday Night
A slight chance of rain, mixing with snow after 8pm, then gradually ending. Partly cloudy, with a low around 32.
Saturday
A slight chance of rain after 11am, mixing with snow after 2pm. Sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
A chance of rain and snow. Mostly sunny, with a high near 47.
Sunday Night
A chance of rain and snow. Partly cloudy, with a low around 35.
Monday
A chance of rain and snow. Mostly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSW Chinook Pass WA
 46.78°N 121.6°W (Elev. 5315 ft)
Last Update:
2:15 pm PDT Apr 21, 2026
Forecast Valid:
2pm PDT Apr 21, 2026-6pm PDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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