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

3 Miles SSW Chinook Pass WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 19. Northwest wind 5 to 10 mph becoming light and variable  in the evening. Winds could gust as high as 28 mph.

    Low: 19 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow, mainly after 4pm.  High near 39. Wind chill values between 17 and 27. Light and variable wind becoming east southeast around 5 mph in the afternoon.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 39 °F

    Partly Sunny
    then Snow

  • Sunday Night

    Sunday Night: Rain and snow, becoming all rain after 2am.  Temperature rising to around 40 by 5am. South southwest wind 5 to 7 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Monday

    Monday: Rain.  High near 47. Southwest wind around 8 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: 47 °F

    Rain

  • Monday Night

    Monday Night: Rain likely, mainly after 11pm.  Mostly cloudy, with a low around 39. West southwest wind around 9 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain.  High near 48. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 40. Chance of precipitation is 90%.

    Low: 40 °F

    Rain

  • Wednesday

    Wednesday: Rain.  Cloudy, with a high near 47.

    High: 47 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Cloudy, with a low around 41.

    Low: 41 °F

    Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 19. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 28 mph.
Sunday
Snow, mainly after 4pm. High near 39. Wind chill values between 17 and 27. Light and variable wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
Rain and snow, becoming all rain after 2am. Temperature rising to around 40 by 5am. South southwest wind 5 to 7 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Monday
Rain. High near 47. Southwest wind around 8 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, mainly after 11pm. Mostly cloudy, with a low around 39. West southwest wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 48. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Low around 40. Chance of precipitation is 90%.
Wednesday
Rain. Cloudy, with a high near 47.
Wednesday Night
Rain. Cloudy, with a low around 41.
Thursday
Rain. Cloudy, with a high near 49.
Thursday Night
Rain likely. Mostly cloudy, with a low around 43.
Friday
Rain likely. Mostly cloudy, with a high near 52.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 40.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 51.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Chinook Pass WA
 46.84°N 121.52°W (Elev. 4052 ft)
2:26 pm PDT Mar 14, 2026
3pm PDT Mar 14, 2026-6pm PDT Mar 21, 2026
 
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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