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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

White Pass (TWHIT)

Lat: 46.638°NLon: 121.39°WElev: 4498.0ft.

Rain

44°F

7°C

Humidity 55%
Wind Speed WSW 7 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility 1.24 mi
Wind Chill40°F (4°C)
Last update 17 Mar 07:55 AM PDT
Extended Forecast for

Chinook Pass WA

  • Today

    Today: Rain. High near 39. Southwest wind 11 to 14 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 39 °F

    Rain

  • Tonight

    Tonight: Rain. Steady temperature around 39. South southwest wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain

  • Wednesday

    Wednesday: Rain. Steady temperature around 38. Southwest wind 10 to 14 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 38 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly before 11pm. Low around 36. Southwest wind 11 to 14 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain then
    Chance Rain

  • Thursday

    Thursday: Rain. High near 42. Southwest wind around 14 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 38. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain

  • Friday

    Friday: Rain before 2pm, then rain, possibly mixed with snow. High near 41. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain then
    Rain/Snow

  • Friday Night

    Friday Night: Rain and snow likely before 2am, then a chance of snow. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of snow. Partly sunny, with a high near 32.

    High: 32 °F

    Chance Snow

Detailed Forecast

Today
Rain. High near 39. Southwest wind 11 to 14 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain. Steady temperature around 39. South southwest wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. Steady temperature around 38. Southwest wind 10 to 14 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain, mainly before 11pm. Low around 36. Southwest wind 11 to 14 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 42. Southwest wind around 14 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain. Low around 38. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain before 2pm, then rain, possibly mixed with snow. High near 41. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
Rain and snow likely before 2am, then a chance of snow. Mostly cloudy, with a low around 26.
Saturday
A chance of snow. Partly sunny, with a high near 32.
Saturday Night
A slight chance of snow before 11pm. Partly cloudy, with a low around 22.
Sunday
A chance of snow. Partly sunny, with a high near 35.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 24.
Monday
A chance of snow. Mostly cloudy, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.88°N 121.51°W (Elev. 4823 ft)
Last Update:
8:00 am PDT Mar 17, 2026
Forecast Valid:
8am PDT Mar 17, 2026-6pm PDT Mar 23, 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