Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

43°F

6°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	29.66 in (1004.4 mb)
Dewpoint	43°F (6°C)
Visibility	10.00 mi
Last update	25 Dec 04:05 AM PST

More Information:

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

Extended Forecast for

Lewiston ID

Overnight
Low: 39 °F
Slight Chance
Rain
Christmas Day
High: 51 °F
Chance Rain
Thursday Night
Low: 38 °F
Chance Rain
Friday
High: 46 °F
Rain
Friday Night
Low: 33 °F
Rain/Snow
Saturday
High: 38 °F
Chance Snow
then Mostly
Sunny
Saturday Night
Low: 25 °F
Partly Cloudy
Sunday
High: 36 °F
Mostly Sunny
Sunday Night
Low: 25 °F
Partly Cloudy

Detailed Forecast

Overnight

A 20 percent chance of rain. Mostly cloudy, with a low around 39. East wind around 6 mph.

Christmas Day

A slight chance of rain before 7am, then a chance of rain after 10am. Mostly cloudy, with a high near 51. East wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Thursday Night

A chance of rain before 10pm, then a chance of rain after 1am. Mostly cloudy, with a low around 38. South wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Friday

Rain. High near 46. Southwest wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

Rain and snow, becoming all snow after 1am. Low around 33. West wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Saturday

A 30 percent chance of snow before 10am. Partly sunny, with a high near 38. New snow accumulation of less than a half inch possible.

Saturday Night

Partly cloudy, with a low around 25.

Sunday

Mostly sunny, with a high near 36.

Sunday Night

Partly cloudy, with a low around 25.

Monday

Partly sunny, with a high near 38.

Monday Night

Mostly cloudy, with a low around 27.