Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from January 1, 04:00 AM PST until January 2, 04:00 AM PST

Current conditions at

Stampede Pass (KSMP)

Lat: 47.27648°NLon: 121.33817°WElev: 3970.0ft.

21°F

-6°C

Humidity	95%
Wind Speed	NA 4 MPH
Barometer	29.9 in (1012.53 mb)
Dewpoint	20°F (-7°C)
Visibility	10.00 mi
Wind Chill	15°F (-9°C)
Last update	01 Jan 12:56 AM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

9 Miles NNW Roslyn WA

Winter Weather Advisory January 1, 04:00am until January 2, 04:00am

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 23 °F
Snow Likely
New Year's Day
High: 32 °F
Snow Likely
Thursday Night
Low: 30 °F⇑
Snow Likely
Friday
High: 37 °F
Snow Likely
Friday Night
Low: 33 °F
Snow Likely
Saturday
High: 36 °F
Snow Likely
Saturday Night
Low: 32 °F
Snow Likely
Sunday
High: 35 °F
Snow Likely
Sunday Night
Low: 30 °F
Snow Likely

Detailed Forecast

Overnight

Snow likely. Mostly cloudy, with a low around 23. Southeast wind around 9 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

New Year's Day

Snow likely. Mostly cloudy, with a high near 32. Southeast wind around 7 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Thursday Night

Snow likely. Mostly cloudy, with a temperature rising to around 34 by 4am. Southeast wind around 7 mph becoming southwest after midnight. Chance of precipitation is 70%. Little or no snow accumulation expected.

Friday

Snow likely. Mostly cloudy, with a high near 37. West wind around 6 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Friday Night

Snow likely. Mostly cloudy, with a low around 33. East wind 7 to 10 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Saturday

Snow likely. Mostly cloudy, with a high near 36. Chance of precipitation is 70%. Little or no snow accumulation expected.

Saturday Night

Snow likely. Mostly cloudy, with a low around 32. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Sunday

Snow likely. Mostly cloudy, with a high near 35. Chance of precipitation is 70%.

Sunday Night

Snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.