Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

White Pass (TWHIT)

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

unknown precip

36°F

2°C

Humidity NA
Wind Speed W 9 MPH
Barometer NA
Dewpoint N/A
Visibility 1.24 mi
Wind Chill29°F (-2°C)
Last update NA
Extended Forecast for

4 Miles NNW Chinook Pass WA

  • Tonight

    Tonight: Increasing clouds, with a low around 14. Northwest wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 22 mph.

    Low: 14 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A slight chance of snow before 2pm, then snow, possibly mixed with rain.  High near 37. Wind chill values between 13 and 23. South wind 3 to 5 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Partly Sunny
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain, possibly mixed with snow, becoming all rain after 2am.  Low around 31. South wind 5 to 7 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Monday

    Monday: Rain.  High near 45. Southwest wind 7 to 9 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain

  • Monday Night

    Monday Night: Rain likely.  Mostly cloudy, with a low around 34. Southwest wind around 9 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain.  High near 46. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 36. Chance of precipitation is 90%.

    Low: 36 °F

    Rain

  • Wednesday

    Wednesday: Rain.  Cloudy, with a high near 45.

    High: 45 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Cloudy, with a low around 37.

    Low: 37 °F

    Rain

Detailed Forecast

Tonight
Increasing clouds, with a low around 14. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 22 mph.
Sunday
A slight chance of snow before 2pm, then snow, possibly mixed with rain. High near 37. Wind chill values between 13 and 23. South wind 3 to 5 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday Night
Rain, possibly mixed with snow, becoming all rain after 2am. Low around 31. South wind 5 to 7 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Monday
Rain. High near 45. Southwest wind 7 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain likely. Mostly cloudy, with a low around 34. Southwest wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 46. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Low around 36. Chance of precipitation is 90%.
Wednesday
Rain. Cloudy, with a high near 45.
Wednesday Night
Rain. Cloudy, with a low around 37.
Thursday
Rain. Cloudy, with a high near 47.
Thursday Night
Rain. Mostly cloudy, with a low around 39.
Friday
Rain likely. Mostly cloudy, with a high near 50.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Saturday
A chance of rain and snow. Partly sunny, with a high near 49.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Chinook Pass WA
 46.92°N 121.55°W (Elev. 3245 ft)
2:26 pm PDT Mar 14, 2026
7pm PDT Mar 14, 2026-6pm PDT Mar 21, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database