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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 >

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 E 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 29 Jan 07:25 AM PST
Extended Forecast for

Chinook Pass WA

Winter Weather Advisory until January 29, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until January 29, 12:00pm

    NOW until 12:00pm Thu

    Winter Weather Advisory

  • Today

    High: 37 °F

    Rain/Snow

  • Tonight

    Tonight: Rain, possibly mixed with snow, mainly before 1am. Low around 35. South wind around 7 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Friday

    Friday: Snow, possibly mixed with rain, becoming all rain after 1pm. High near 38. South wind around 9 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain, mainly before 10pm. Low around 34. South wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °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 7 mph, with gusts as high as 18 mph.

    High: 43 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, possibly mixed with snow, 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: Rain and snow likely before 10pm, then a chance of snow. Mostly cloudy, with a low around 30. Chance of precipitation is 70%.

    Low: 30 °F

    Rain/Snow
    Likely then
    Chance Snow

Detailed Forecast

Today
Rain and snow before 1pm, then a chance of rain between 1pm and 4pm, then rain, possibly mixed with snow after 4pm. The snow could be heavy at times. High near 37. South wind 6 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Rain, possibly mixed with snow, mainly before 1am. Low around 35. South wind around 7 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday
Snow, possibly mixed with rain, becoming all rain after 1pm. High near 38. South wind around 9 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday Night
Rain, mainly before 10pm. Low around 34. South wind around 6 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 7 mph, with gusts as high as 18 mph.
Saturday Night
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 33.
Sunday
Rain likely, possibly mixed with snow, 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
Rain and snow likely before 10pm, then a chance of snow. Mostly cloudy, with a low around 30. 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 30.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.87°N 121.53°W (Elev. 4823 ft)
Last Update:
4:20 am PST Jan 29, 2026
Forecast Valid:
8am 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