Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Hazardous Weather Conditions

Flood Advisory in effect from March 13, 01:50 PM PDT until March 14, 01:45 PM PDT

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Rain

43°F

6°C

Humidity	86%
Wind Speed	ESE 4 MPH
Barometer	29.8 in (1009.14 mb)
Dewpoint	39°F (4°C)
Visibility	10.00 mi
Wind Chill	41°F (5°C)
Last update	13 Mar 11:20 PM PDT

More Information:

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

Extended Forecast for

Lewiston ID

Flood Advisory until March 14, 01:45pm

Click here for hazard details and duration

Flood Advisory

Flood Advisory until March 14, 01:45pm
NOW until 1:45pm Sat
Flood Advisory
Tonight
Low: 45 °F
Rain
Saturday
High: 49 °F
Rain/Snow and
Breezy then
Chance
Rain/Snow and
Windy
Saturday Night
Low: 31 °F
Slight Chance
Snow then
Mostly Cloudy
Sunday
High: 49 °F
Mostly Cloudy
Sunday Night
Low: 40 °F
Chance Rain
Monday
High: 58 °F
Chance Rain
Monday Night
Low: 46 °F
Chance Rain
then Mostly
Cloudy
Tuesday
High: 69 °F
Slight Chance
Rain

Detailed Forecast

Tonight

Rain. Steady temperature around 45. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Saturday

Rain before 10am, then a chance of rain and snow between 10am and 5pm, then a chance of rain after 5pm. High near 49. Windy, with a west wind 17 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Saturday Night

A slight chance of snow between 8pm and 11pm. Partly cloudy, with a low around 31. Southwest wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Sunday

Mostly cloudy, with a high near 49. Calm wind becoming southeast around 5 mph in the afternoon.

Sunday Night

A 50 percent chance of rain. Cloudy, with a low around 40. Southeast wind 3 to 5 mph. New precipitation amounts of less than a tenth of an inch possible.

Monday

A 40 percent chance of rain. Cloudy, with a high near 58.

Monday Night

A 40 percent chance of rain before 11pm. Mostly cloudy, with a low around 46.

Tuesday

A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 69.

Tuesday Night

A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 49.

Wednesday

A 20 percent chance of rain before 11am. Partly sunny, with a high near 70.

Wednesday Night

A 20 percent chance of rain. Mostly cloudy, with a low around 51.