Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Hazardous Weather Conditions

Air Stagnation Advisory in effect from December 29, 11:45 AM PST until January 1, 12:00 PM PST

Current conditions at

NCSB (NCSW1)

Lat: 48.42528°NLon: 120.14194°WElev: 1697.0ft.

11°F

-12°C

Humidity	89%
Wind Speed	NNW 1 MPH
Barometer	NA
Dewpoint	8°F (-13°C)
Visibility	NA
Last update	30 Dec 05:06 AM PST

More Information:

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

Extended Forecast for

4 Miles W Winthrop WA

Air Stagnation Advisory until January 1, 12:00pm

Click here for hazard details and duration

Air Stagnation Advisory

Air Stagnation Advisory until January 1, 12:00pm
NOW until 12:00pm Thu
Air Stagnation Advisory
Overnight
Low: 18 °F
Partly Cloudy
Tuesday
High: 29 °F
Partly Sunny
Tuesday Night
Low: 20 °F
Mostly Cloudy
Wednesday
High: 31 °F
Mostly Sunny
Wednesday Night
Low: 21 °F
Partly Cloudy
New Year's Day
High: 32 °F
Partly Sunny
then Chance
Rain
Thursday Night
Low: 24 °F
Chance
Rain/Snow
then Chance
Snow
Friday
High: 32 °F
Chance
Rain/Snow

Detailed Forecast

Overnight

Partly cloudy, with a low around 18. Calm wind.

Tuesday

Partly sunny, with a high near 29. Calm wind.

Tuesday Night

Mostly cloudy, with a low around 20. Calm wind.

Wednesday

Mostly sunny, with a high near 31. Calm wind.

Wednesday Night

Partly cloudy, with a low around 21. Calm wind.

New Year's Day

A 30 percent chance of rain after 4pm. Partly sunny, with a high near 32.

Thursday Night

A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

Friday

A chance of snow before 10am, then a chance of rain and snow. Mostly cloudy, with a high near 32. Chance of precipitation is 50%.

Friday Night

Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 27. Chance of precipitation is 70%.

Saturday

Snow likely, possibly mixed with rain. Mostly cloudy, with a high near 34. Chance of precipitation is 60%.

Saturday Night

A chance of rain and snow. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.

Sunday

A 30 percent chance of snow. Mostly cloudy, with a high near 33.

Sunday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 22.