Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Overcast

46°F

8°C

Humidity	92%
Wind Speed	N 0 MPH
Barometer	29.94 in (1013.89 mb)
Dewpoint	44°F (7°C)
Visibility	10.00 mi
Last update	10 Dec 02:56 AM PST

More Information:

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

Extended Forecast for

Lewiston ID

Overnight
Low: 50 °F
Rain
Wednesday
High: 63 °F
Chance Rain
then Mostly
Cloudy and
Breezy
Wednesday Night
Low: 53 °F
Increasing
Clouds
Thursday
High: 59 °F
Slight Chance
Rain then
Cloudy
Thursday Night
Low: 50 °F
Chance Rain
Friday
High: 60 °F
Slight Chance
Rain then
Mostly Cloudy
Friday Night
Low: 44 °F
Mostly Cloudy
Saturday
High: 56 °F
Partly Sunny
Saturday Night
Low: 41 °F
Mostly Cloudy
then Slight
Chance Rain

Detailed Forecast

Overnight

Rain, mainly before 4am. Steady temperature around 50. Southeast wind around 9 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

A 30 percent chance of rain before 7am. Mostly cloudy, with a high near 63. Breezy, with a southwest wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

Increasing clouds, with a low around 53. Southwest wind 14 to 17 mph, with gusts as high as 28 mph.

Thursday

A 20 percent chance of rain before 10am. Cloudy, with a high near 59. West wind 10 to 13 mph, with gusts as high as 23 mph.

Thursday Night

A 50 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 50. Southwest wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.

Friday

A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 60.

Friday Night

Mostly cloudy, with a low around 44.

Saturday

Partly sunny, with a high near 56.

Saturday Night

A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 41.

Sunday

A slight chance of rain before 10am, then a slight chance of rain after 4pm. Mostly cloudy, with a high near 55. Chance of precipitation is 20%.

Sunday Night

A 20 percent chance of rain. Mostly cloudy, with a low around 43.