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

Tracking Late Season Winter Storms

A moderate atmospheric river will continue to bring heavy snow over the Olympics, northern Cascades and northern Rockies Friday while heavy rain may bring flooding to coastal Oregon and Washington. A winter storm will continue to push across the Great Lakes and Northeast U.S. Friday and Saturday with areas of heavy snow and high winds. Read More >

Hazardous Weather Conditions

Current conditions at

SAWMILL FLATS (MEFW1)

Lat: 46.9675°NLon: 121.08444°WElev: 3000.0ft.

NA

32°F

0°C

Humidity 100%
Wind Speed N 2 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 13 Mar 02:25 AM PDT
Extended Forecast for

Chinook Pass WA

Winter Storm Warning March 13, 03:33am until March 14, 05:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning March 13, 03:33am until March 14, 05:00am

    NOW until 5:00am Sat

    Winter Storm Warning

  • Overnight

    Low: 31 °F

    Heavy Snow

  • Friday

    Friday: Snow. The snow could be heavy at times. High near 33. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.

    High: 33 °F

    Heavy Snow

  • Friday Night

    Friday Night: Snow, mainly before 2am. Low around 18. Southwest wind 9 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 18 °F

    Snow

  • Saturday

    Saturday: Snow. High near 26. West wind around 17 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 26 °F

    Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 16. West wind 6 to 16 mph, with gusts as high as 37 mph.

    Low: 16 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 33. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 33 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Snow before 11pm, then rain and snow likely. Low around 31. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 31 °F

    Rain/Snow

  • Monday

    Monday: Rain likely, possibly mixed with snow, becoming all rain after 11am. Mostly cloudy, with a high near 43. Chance of precipitation is 70%.

    High: 43 °F

    Rain/Snow
    Likely then
    Rain Likely

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Steady temperature around 31. Southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 17 to 23 inches possible.
Friday
Snow. The snow could be heavy at times. High near 33. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.
Friday Night
Snow, mainly before 2am. Low around 18. Southwest wind 9 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow. High near 26. West wind around 17 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 16. West wind 6 to 16 mph, with gusts as high as 37 mph.
Sunday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 33. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday Night
Snow before 11pm, then rain and snow likely. Low around 31. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Monday
Rain likely, possibly mixed with snow, becoming all rain after 11am. Mostly cloudy, with a high near 43. Chance of precipitation is 70%.
Monday Night
Rain likely. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Tuesday
Rain likely. Mostly cloudy, with a high near 46.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 36.
Wednesday
Rain. Mostly cloudy, with a high near 44.
Wednesday Night
Rain. Mostly cloudy, with a low around 37.
Thursday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.86°N 121.5°W (Elev. 5295 ft)
Last Update:
2:30 am PDT Mar 13, 2026
Forecast Valid:
3am PDT Mar 13, 2026-6pm PDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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