Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

Snoqualmie Pass (SNO30)

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

NA

48°F

9°C

Humidity 24%
Wind Speed NA NA MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 13°F (-11°C)
Visibility NA
Last update 31 Mar 03:00 PM PDT
Extended Forecast for

15 Miles N Roslyn WA

Winter Weather Advisory April 1, 11:00am until April 2, 11:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • Tonight

    Tonight: Snow, mainly after 2am.  Low around 26. Southeast wind around 6 mph.  Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 26 °F

    Mostly Cloudy
    then Snow

  • Wednesday

    Wednesday: Snow.  High near 34. Southeast wind 6 to 11 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow.  Low around 26. South wind 8 to 11 mph becoming west in the evening.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Snow then
    Snow Likely

  • Thursday

    Thursday: Snow, mainly before 11am.  High near 33. West wind 13 to 18 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 33 °F

    Snow then
    Chance Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 11pm.  Mostly cloudy, with a low around 26. West wind 11 to 18 mph, with gusts as high as 23 mph.

    Low: 26 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow, mainly after 2am. Low around 26. Southeast wind around 6 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Snow. High near 34. Southeast wind 6 to 11 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow. Low around 26. South wind 8 to 11 mph becoming west in the evening. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow, mainly before 11am. High near 33. West wind 13 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 26. West wind 11 to 18 mph, with gusts as high as 23 mph.
Friday
Partly sunny, with a high near 42.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 53.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 35.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles N Roslyn WA
 47.45°N 121.07°W (Elev. 5587 ft)
3:21 pm PDT Mar 31, 2026
3pm PDT Mar 31, 2026-6pm PDT Apr 7, 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