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

Snoqualmie Pass (SNO30)

Lat: 47.42487°NLon: 121.41395°WElev: 3010.0ft.

NA

33°F

1°C

Humidity 97%
Wind Speed NA NA MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 33°F (1°C)
Visibility NA
Last update 29 Jan 04:00 PM PST
Extended Forecast for

15 Miles N Roslyn WA

  • This Afternoon

    This Afternoon: Rain, possibly mixed with snow.  High near 34. South wind around 6 mph.  Chance of precipitation is 90%. Total daytime snow accumulation of less than one inch possible.

    High: 34 °F

    Rain/Snow

  • Tonight

    Tonight: Rain, possibly mixed with snow, mainly before 1am.  Low around 31. South wind around 7 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow

  • Friday

    Friday: Snow after 7am, mixing with rain after 1pm.  High near 35. South wind around 7 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Snow then
    Rain/Snow

  • Friday Night

    Friday Night: Rain likely, possibly mixed with snow before 7pm, then a slight chance of rain after 10pm.  Mostly cloudy, with a low around 31. West wind around 7 mph becoming north after midnight.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 31 °F

    Rain/Snow
    Likely then
    Slight Chance
    Rain

  • Saturday

    Saturday: A 40 percent chance of rain.  Mostly cloudy, with a high near 38. Southeast wind around 7 mph.

    High: 38 °F

    Chance Rain

  • Saturday Night

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

    Low: 30 °F

    Chance
    Rain/Snow

  • Sunday

    Sunday: Snow likely, mainly after 10am.  Mostly cloudy, with a high near 35. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Snow likely, mainly before 10pm.  Mostly cloudy, with a low around 28. Chance of precipitation is 70%.

    Low: 28 °F

    Snow Likely
    then Chance
    Snow

  • Monday

    Monday: A 50 percent chance of snow.  Mostly cloudy, with a high near 35.

    High: 35 °F

    Chance Snow

Detailed Forecast

This Afternoon
Rain, possibly mixed with snow. High near 34. South wind around 6 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than one inch possible.
Tonight
Rain, possibly mixed with snow, mainly before 1am. Low around 31. South wind around 7 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 35. South wind around 7 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday Night
Rain likely, possibly mixed with snow before 7pm, then a slight chance of rain after 10pm. Mostly cloudy, with a low around 31. West wind around 7 mph becoming north after midnight. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 38. Southeast wind around 7 mph.
Saturday Night
A slight chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Sunday
Snow likely, mainly after 10am. Mostly cloudy, with a high near 35. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 28. Chance of precipitation is 70%.
Monday
A 50 percent chance of snow. Mostly cloudy, with a high near 35.
Monday Night
A chance of snow, mainly before 10pm. Mostly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles N Roslyn WA
 47.45°N 121.07°W (Elev. 5587 ft)
3:30 pm PST Jan 29, 2026
4pm PST Jan 29, 2026-6pm PST Feb 5, 2026
 
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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