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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

SAWMILL FLATS (MEFW1)

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

NA

29°F

-2°C

Humidity 82%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 28 Jan 12:25 AM PST
Extended Forecast for

Chinook Pass WA

  • Overnight

    Overnight: Snow. The snow could be heavy at times. Low around 26. South wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times. High near 32. Southwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 32 °F

    Heavy Snow

  • Wednesday Night

    Wednesday Night: Snow before 4am, then snow, possibly mixed with rain. Low around 32. South wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 32 °F

    Snow then
    Rain/Snow

  • Thursday

    Thursday: Rain, possibly mixed with snow. High near 37. Southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 37 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Rain. Low around 34. South wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Rain

  • Friday

    Friday: Rain likely, possibly mixed with snow before 10am, then rain. High near 37. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 37 °F

    Rain/Snow
    then Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 31. Chance of precipitation is 70%.

    Low: 31 °F

    Rain Likely
    then Chance
    Rain

  • Saturday

    Saturday: A chance of rain and snow before 10am, then a slight chance of rain. Mostly cloudy, with a high near 40. Chance of precipitation is 30%.

    High: 40 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Low around 26. South wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.
Wednesday
Snow. The snow could be heavy at times. High near 32. Southwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow before 4am, then snow, possibly mixed with rain. Low around 32. South wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday
Rain, possibly mixed with snow. High near 37. Southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Rain. Low around 34. South wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain likely, possibly mixed with snow before 10am, then rain. High near 37. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 31. Chance of precipitation is 70%.
Saturday
A chance of rain and snow before 10am, then a slight chance of rain. Mostly cloudy, with a high near 40. Chance of precipitation is 30%.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 31.
Sunday
A chance of rain before 4pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 39.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 31.
Monday
Rain and snow likely. Partly sunny, with a high near 36.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 27.
Tuesday
A slight chance of rain and snow. Mostly sunny, with a high near 40.
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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:
9:15 pm PST Jan 27, 2026
Forecast Valid:
12am PST Jan 28, 2026-6pm PST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation