Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain Returns to California

Lake effect snow will continue through Friday bringing significant snowfall to areas east to southeast of the Great Lakes. Snow squalls may impact New Year's Eve travel this evening and overnight across parts of the Great Lakes, Ohio Valley, Mid-Atlantic, and Upstate New York. Heavy rain will bring another flash flooding threat for southern California New Year's Eve into New Year's Day. 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

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

Lat: 46.37472°NLon: 117.01444°WElev: 1437.0ft.

Clear

27°F

-3°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	30.27 in (1025.06 mb)
Dewpoint	27°F (-3°C)
Visibility	10.00 mi
Last update	31 Dec 05:05 AM PST

More Information:

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

Extended Forecast for

Lewiston ID

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: 29 °F
Partly Cloudy
Wednesday
High: 41 °F
Partly Sunny
Wednesday Night
Low: 29 °F
Partly Cloudy
New Year's Day
High: 42 °F
Mostly Cloudy
then Slight
Chance Rain
Thursday Night
Low: 36 °F
Chance Rain
Friday
High: 48 °F
Chance Rain
then Mostly
Cloudy
Friday Night
Low: 39 °F
Mostly Cloudy
Saturday
High: 51 °F
Chance Rain

Detailed Forecast

Overnight

Partly cloudy, with a low around 29. Light southeast wind.

Wednesday

Partly sunny, with a high near 41. Light and variable wind.

Wednesday Night

Partly cloudy, with a low around 29. Calm wind.

New Year's Day

A 10 percent chance of rain after 4pm. Mostly cloudy, with a high near 42. Light east wind.

Thursday Night

A 50 percent chance of rain, mainly after 10pm. Cloudy, with a low around 36. Light southeast wind. New precipitation amounts of less than a tenth of an inch possible.

Friday

A 50 percent chance of rain before 10am. Mostly cloudy, with a high near 48.

Friday Night

Mostly cloudy, with a low around 39.

Saturday

A 40 percent chance of rain. Mostly cloudy, with a high near 51.

Saturday Night

A 30 percent chance of rain. Mostly cloudy, with a low around 39.

Sunday

A 20 percent chance of rain. Mostly cloudy, with a high near 50.

Sunday Night

A 30 percent chance of rain. Mostly cloudy, with a low around 37.