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

36°F

2°C

Humidity 45%
Wind Speed NA NA MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 17°F (-8°C)
Visibility NA
Last update 31 Mar 10:00 AM 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
  • Today

    Today: Partly sunny, with a high near 46. South wind around 6 mph.

    High: 46 °F

    Partly Sunny

  • Tonight

    Tonight: Snow, mainly after 5am.  Low around 28. Southeast wind 3 to 5 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Mostly Cloudy
    then Snow

  • Wednesday

    Wednesday: Snow before 11am, then rain and snow.  High near 42. Southeast wind 3 to 7 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 8pm.  Low around 28. South wind around 7 mph becoming west in the evening.  Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Rain/Snow
    then Snow
    Likely

  • Thursday

    Thursday: Snow, mainly before 11am.  High near 40. West wind 7 to 11 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow then
    Chance Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 11pm.  Mostly cloudy, with a low around 28.

    Low: 28 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 46. South wind around 6 mph.
Tonight
Snow, mainly after 5am. Low around 28. Southeast wind 3 to 5 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday
Snow before 11am, then rain and snow. High near 42. Southeast wind 3 to 7 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow, becoming all snow after 8pm. Low around 28. South wind around 7 mph becoming west in the evening. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Thursday
Snow, mainly before 11am. High near 40. West wind 7 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 28.
Friday
Mostly sunny, with a high near 49.
Friday Night
Mostly clear, with a low around 30.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 60.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles N Roslyn WA
 47.46°N 121.04°W (Elev. 3602 ft)
10:27 am PDT Mar 31, 2026
11am PDT Mar 31, 2026-6pm PDT Apr 6, 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