National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. 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

Chinook Pass WA

  • Tonight

    Tonight: Rain likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 2am, then rain likely after 2am. Mostly cloudy, with a low around 40. Light west northwest wind becoming west southwest 5 to 9 mph after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 40 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain, possibly mixed with snow, becoming all rain after noon. High near 47. South southwest wind 14 to 18 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 47 °F

    Rain/Snow
    then Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 37. West southwest wind 16 to 20 mph, with gusts as high as 48 mph.

    Low: 37 °F

    Chance Rain

  • Thursday

    Thursday: Partly sunny, with a high near 50. West wind around 14 mph, with gusts as high as 32 mph.

    High: 50 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain before 8pm, then a chance of rain and snow. Mostly cloudy, with a low around 35. West wind 11 to 13 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 35 °F

    Chance
    Rain/Snow

  • Friday

    Friday: A slight chance of snow before 11am, then a chance of rain and snow. Partly sunny, with a high near 46. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 46 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Snow Likely

  • Saturday

    Saturday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 43.

    High: 43 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A chance of snow before 11pm. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Rain likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 2am, then rain likely after 2am. Mostly cloudy, with a low around 40. Light west northwest wind becoming west southwest 5 to 9 mph after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain, possibly mixed with snow, becoming all rain after noon. High near 47. South southwest wind 14 to 18 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 37. West southwest wind 16 to 20 mph, with gusts as high as 48 mph.
Thursday
Partly sunny, with a high near 50. West wind around 14 mph, with gusts as high as 32 mph.
Thursday Night
A chance of rain before 8pm, then a chance of rain and snow. Mostly cloudy, with a low around 35. West wind 11 to 13 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday
A slight chance of snow before 11am, then a chance of rain and snow. Partly sunny, with a high near 46. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday Night
Snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 43.
Saturday Night
A chance of snow before 11pm. Mostly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
A slight chance of rain. Mostly sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.86°N 121.53°W (Elev. 3973 ft)
Last Update:
1:31 pm PDT May 12, 2026
Forecast Valid:
7pm PDT May 12, 2026-6pm PDT May 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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