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

5 Miles NNE Chinook Pass WA

  • Overnight

    Overnight: Rain, possibly mixed with snow.  Low around 37. South wind around 6 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow

  • Saturday

    Saturday: Rain and snow, becoming all snow after 11am.  High near 41. Southwest wind 6 to 9 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow
    then Snow
    Likely

  • Saturday Night

    Saturday Night: A 10 percent chance of snow before 7pm.  Mostly cloudy, with a low around 32. West northwest wind 6 to 8 mph.

    Low: 32 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of snow after 11am.  Partly sunny, with a high near 44. West northwest wind 6 to 11 mph, with gusts as high as 22 mph.  Little or no snow accumulation expected.

    High: 44 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before 11pm.  Mostly cloudy, with a low around 32. West wind around 14 mph, with gusts as high as 26 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Snow Likely
    then Chance
    Snow

  • Monday

    Monday: A 50 percent chance of snow.  Mostly cloudy, with a high near 38. New snow accumulation of less than a half inch possible.

    High: 38 °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 36.

    High: 36 °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, possibly mixed with snow. Low around 37. South wind around 6 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Saturday
Rain and snow, becoming all snow after 11am. High near 41. Southwest wind 6 to 9 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Saturday Night
A 10 percent chance of snow before 7pm. Mostly cloudy, with a low around 32. West northwest wind 6 to 8 mph.
Sunday
A 50 percent chance of snow after 11am. Partly sunny, with a high near 44. West northwest wind 6 to 11 mph, with gusts as high as 22 mph. Little or no snow accumulation expected.
Sunday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 32. West wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday
A 50 percent chance of snow. Mostly cloudy, with a high near 38. 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 36.
Tuesday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 23.
Wednesday
Snow. Cloudy, with a high near 31.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 19.
Thursday
A chance of snow. Partly sunny, with a high near 33.
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 41.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Chinook Pass WA
 46.93°N 121.46°W (Elev. 6322 ft)
11:27 pm PDT Apr 10, 2026
5am PDT Apr 11, 2026-6pm PDT Apr 17, 2026
 
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Additional Resources

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Hourly Weather Forecast

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