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

Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

SAWMILL FLATS (MEFW1)

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

NA

36°F

2°C

Humidity 100%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 29 Jan 09:25 AM PST
Extended Forecast for

Chinook Pass WA

  • Today

    Today: Snow before 10am, then rain, possibly mixed with snow. The snow could be heavy at times. High near 36. Southwest wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.

    High: 36 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow, mainly before 1am. Low around 34. South wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Friday

    Friday: Snow after 7am, mixing with rain after 1pm. High near 38. South wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Snow then
    Rain/Snow

  • Friday Night

    Friday Night: Rain, mainly before 10pm. Low around 33. Southwest wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Rain then
    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 43. Southeast wind around 9 mph, with gusts as high as 20 mph.

    High: 43 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: A slight chance of rain between 10pm and 1am, then a chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.

    Low: 32 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Sunday

    Sunday: Rain and snow likely, mainly after 10am. Mostly cloudy, with a high near 38. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.

    Low: 29 °F

    Snow Likely

  • Monday

    Monday: A 50 percent chance of snow. Mostly cloudy, with a high near 36.

    High: 36 °F

    Chance Snow

Detailed Forecast

Today
Snow before 10am, then rain, possibly mixed with snow. The snow could be heavy at times. High near 36. Southwest wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
Rain and snow, mainly before 1am. Low around 34. South wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday
Snow after 7am, mixing with rain after 1pm. High near 38. South wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
Rain, mainly before 10pm. Low around 33. Southwest wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 43. Southeast wind around 9 mph, with gusts as high as 20 mph.
Saturday Night
A slight chance of rain between 10pm and 1am, then a chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Sunday
Rain and snow likely, mainly after 10am. Mostly cloudy, with a high near 38. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.
Monday
A 50 percent chance of snow. Mostly cloudy, with a high near 36.
Monday Night
A chance of snow before 10pm. Mostly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.86°N 121.5°W (Elev. 5295 ft)
Last Update:
9:15 am PST Jan 29, 2026
Forecast Valid:
9am PST Jan 29, 2026-6pm PST Feb 4, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation