Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. 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 N Chinook Pass WA

Winter Storm Warning March 13, 02:51pm until March 14, 05:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning March 13, 02:51pm until March 14, 05:00am

    NOW until 5:00am Sat

    Winter Storm Warning

  • This Afternoon

    High: 25 °F

    Heavy Snow

  • Tonight

    Tonight: Snow, mainly before 1am. The snow could be heavy at times.  Low around 15. Wind chill values between -2 and 8. Blustery, with a west wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 33 mph.  Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    Low: 15 °F

    Heavy Snow
    then Heavy
    Snow and
    Blustery

  • Saturday

    Saturday: Snow likely before 10am, then a chance of snow after 11am.  Partly sunny, with a high near 22. Wind chill values between -3 and 3. Windy, with a west northwest wind 28 to 33 mph, with gusts as high as 44 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 22 °F

    Windy. Snow
    Likely then
    Chance Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow before 11pm.  Mostly cloudy, with a low around 13. Wind chill values between zero and 5. West northwest wind 15 to 20 mph becoming southwest 9 to 14 mph after midnight. Winds could gust as high as 24 mph.  New snow accumulation of less than a half inch possible.

    Low: 13 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Snow likely, mainly after 11am.  Mostly cloudy, with a high near 32. South wind 9 to 11 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Snow before 11pm, then rain likely, possibly mixed with snow.  Low around 29. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Monday

    Monday: Rain.  High near 39. Chance of precipitation is 80%.

    High: 39 °F

    Rain

  • Monday Night

    Monday Night: Rain likely before 5am, then rain likely, possibly mixed with snow.  Mostly cloudy, with a low around 32.

    Low: 32 °F

    Rain Likely
    then
    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
Snow. The snow could be heavy at times. Steady temperature around 25. Wind chill values between 12 and 17. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 8 to 12 inches possible.
Tonight
Snow, mainly before 1am. The snow could be heavy at times. Low around 15. Wind chill values between -2 and 8. Blustery, with a west wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Saturday
Snow likely before 10am, then a chance of snow after 11am. Partly sunny, with a high near 22. Wind chill values between -3 and 3. Windy, with a west northwest wind 28 to 33 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday Night
A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around 13. Wind chill values between zero and 5. West northwest wind 15 to 20 mph becoming southwest 9 to 14 mph after midnight. Winds could gust as high as 24 mph. New snow accumulation of less than a half inch possible.
Sunday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 32. South wind 9 to 11 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday Night
Snow before 11pm, then rain likely, possibly mixed with snow. Low around 29. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Monday
Rain. High near 39. Chance of precipitation is 80%.
Monday Night
Rain likely before 5am, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 32.
Tuesday
Rain, possibly mixed with snow, becoming all rain after 8am. Cloudy, with a high near 39.
Tuesday Night
Rain. Mostly cloudy, with a low around 34.
Wednesday
Rain. Mostly cloudy, with a high near 41.
Wednesday Night
Rain. Mostly cloudy, with a low around 35.
Thursday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Chinook Pass WA
 46.92°N 121.52°W (Elev. 4774 ft)
2:25 pm PDT Mar 13, 2026
2pm PDT Mar 13, 2026-6pm PDT Mar 19, 2026
 
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Additional Resources

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