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

41°F

5°C

Humidity 85%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 29 Jan 02:25 PM PST
Extended Forecast for

Chinook Pass WA

  • This Afternoon

    This Afternoon: Rain and snow, possibly mixed with freezing rain. High near 35. South wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 35 °F

    Wintry Mix

  • Tonight

    Tonight: Rain and snow, mainly before 1am. Low around 33. South wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Friday

    Friday: Rain, possibly mixed with snow, mainly after 10am. High near 36. South wind 11 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain before 7pm, then a chance of rain after 10pm. Low around 34. South 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: 34 °F

    Rain then
    Chance Rain

  • Saturday

    Saturday: A 40 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 41. Southeast wind around 9 mph, with gusts as high as 20 mph.

    High: 41 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

  • Sunday

    Sunday: Rain and snow, mainly after 10am. High near 36. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Snow, possibly mixed with rain before 10pm, then a chance of snow. Low around 28. Chance of precipitation is 80%.

    Low: 28 °F

    Rain/Snow
    then Chance
    Snow

  • Monday

    Monday: Snow likely before 4pm, then a chance of rain and snow. Partly sunny, with a high near 35. Chance of precipitation is 60%.

    High: 35 °F

    Snow Likely
    then
    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
Rain and snow, possibly mixed with freezing rain. High near 35. South wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Rain and snow, mainly before 1am. Low around 33. South wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Friday
Rain, possibly mixed with snow, mainly after 10am. High near 36. South wind 11 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Friday Night
Rain before 7pm, then a chance of rain after 10pm. Low around 34. South 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 40 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 41. Southeast wind around 9 mph, with gusts as high as 20 mph.
Saturday Night
A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 33.
Sunday
Rain and snow, mainly after 10am. High near 36. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow, possibly mixed with rain before 10pm, then a chance of snow. Low around 28. Chance of precipitation is 80%.
Monday
Snow likely before 4pm, then a chance of rain and snow. Partly sunny, with a high near 35. Chance of precipitation is 60%.
Monday Night
A chance of rain and snow, mainly before 10pm. Mostly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.88°N 121.5°W (Elev. 4823 ft)
Last Update:
2:32 pm PST Jan 29, 2026
Forecast Valid:
3pm PST Jan 29, 2026-6pm PST Feb 5, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation