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Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. 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

6 Miles NNE Chinook Pass WA

  • Overnight

    Overnight: Rain likely, mainly after 4am. Mostly cloudy, with a low around 37. South southwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Rain Likely

  • Saturday

    Saturday: Rain and snow. Steady temperature around 40. Southwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A slight chance of rain and snow before 7pm. Mostly cloudy, with a low around 33. West northwest wind 6 to 8 mph. Chance of precipitation is 10%.

    Low: 33 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Rain, possibly mixed with snow, mainly after 5pm. High near 46. West northwest wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 46 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after 8pm. Low around 32. West wind 11 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow
    then Chance
    Snow

  • Monday

    Monday: A 50 percent chance of snow. Mostly cloudy, with a high near 40. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Chance Snow

  • Monday Night

    Monday Night: A 50 percent chance of snow before 11pm. Mostly cloudy, with a low around 28. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Snow, mainly after 11am. Mostly cloudy, with a high near 37.

    High: 37 °F

    Snow

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times. Cloudy, with a low around 23.

    Low: 23 °F

    Heavy Snow

Detailed Forecast

Overnight
Rain likely, mainly after 4am. Mostly cloudy, with a low around 37. South southwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain and snow. Steady temperature around 40. Southwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Saturday Night
A slight chance of rain and snow before 7pm. Mostly cloudy, with a low around 33. West northwest wind 6 to 8 mph. Chance of precipitation is 10%.
Sunday
Rain, possibly mixed with snow, mainly after 5pm. High near 46. West northwest wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
Rain and snow, becoming all snow after 8pm. Low around 32. West wind 11 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
A 50 percent chance of snow. Mostly cloudy, with a high near 40. New snow accumulation of less than a half inch possible.
Monday Night
A 50 percent chance of snow before 11pm. Mostly cloudy, with a low around 28. New snow accumulation of less than a half inch possible.
Tuesday
Snow, mainly after 11am. Mostly cloudy, with a high near 37.
Tuesday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 23.
Wednesday
Snow. Cloudy, with a high near 32.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 19.
Thursday
A chance of snow. Partly sunny, with a high near 34.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 20.
Friday
A slight chance of snow. Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNE Chinook Pass WA
 46.95°N 121.46°W (Elev. 5587 ft)
Last Update:
11:27 pm PDT Apr 10, 2026
Forecast Valid:
3am PDT Apr 11, 2026-6pm PDT Apr 17, 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