Major Winter Storm in the North-Central U.S.; Severe Weather from the Mid-South to Ohio Valley

A major winter storm will bring a swath of heavy snowfall, strong winds, blizzard conditions and freezing rain to the Northern Plains into the Great Lakes region. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-south to the Ohio Valley and the Southeast. Critical fire weather concerns shift to the southern Rockies and Plains. Read More >

Current conditions at

White Pass (TWHIT)

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

unknown precip

N/A

Humidity NA
Wind Speed W 9 MPH
Barometer NA
Dewpoint N/A
Visibility 1.24 mi
Last update NA
Extended Forecast for

Chinook Pass WA

  • This Afternoon

    This Afternoon: Snow, mainly after 4pm.  High near 32. Wind chill values between 21 and 26. Southwest wind around 8 mph.  Chance of precipitation is 80%. Total daytime snow accumulation of less than one inch possible.

    High: 32 °F

    Snow

  • Tonight

    Tonight: Rain and snow, becoming all rain after 11pm.  Temperature rising to around 35 by 5am. Wind chill values between 21 and 26. South southwest wind 7 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow
    then Rain
    Likely

  • Monday

    Monday: Rain.  High near 39. Southwest wind 10 to 14 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 39 °F

    Rain

  • Monday Night

    Monday Night: Rain likely, mainly after 11pm.  Mostly cloudy, with a low around 34. Southwest wind 13 to 15 mph, with gusts as high as 29 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 38. West southwest wind 11 to 14 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 38 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 35. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Rain

  • Wednesday

    Wednesday: Rain.  High near 38. Chance of precipitation is 90%.

    High: 38 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Cloudy, with a low around 36.

    Low: 36 °F

    Rain

  • Thursday

    Thursday: Rain.  Cloudy, with a high near 39.

    High: 39 °F

    Rain

Detailed Forecast

This Afternoon
Snow, mainly after 4pm. High near 32. Wind chill values between 21 and 26. Southwest wind around 8 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than one inch possible.
Tonight
Rain and snow, becoming all rain after 11pm. Temperature rising to around 35 by 5am. Wind chill values between 21 and 26. South southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Monday
Rain. High near 39. Southwest wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 34. Southwest wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 38. West southwest wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Low around 35. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. High near 38. Chance of precipitation is 90%.
Wednesday Night
Rain. Cloudy, with a low around 36.
Thursday
Rain. Cloudy, with a high near 39.
Thursday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 35.
Friday
Rain and snow likely. Mostly cloudy, with a high near 43.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 33.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.88°N 121.51°W (Elev. 4823 ft)
8:00 am PDT Mar 15, 2026
2pm PDT Mar 15, 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