Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Walla Walla Regional Airport (KALW)

Lat: 46.09462° N Lon: 118.2858° W Elev: 1168.0 ft.

Overcast

63°F

17°C

Humidity	51%
Wind Speed	SW 13 MPH
Barometer	29.91 in (1012.87 mb)
Dewpoint	44°F (7°C)
Visibility	10.00 mi
Last update	08 Dec 10:00 PM PST

More Information:

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

Detailed forecast for

Northwest Blue Mountains

Tonight

Rain. Lows in the mid 30s to lower 40s. Very windy. Southwest wind 20 to 35 mph with gusts to around 60 mph. Chance of precipitation 90 percent. Rainfall amounts up to an inch possible.

Tuesday

Rain and high mountain snow. No high mountain snow accumulation. Snow level 5000 feet in the afternoon. Highs in the 40s. Windy. West wind 20 to 30 mph with gusts to around 50 mph, becoming southwest 5 to 15 mph with gusts to around 25 mph in the afternoon. Chance of precipitation near 100 percent.

Tuesday Night

Rain and high mountain snow in the evening, then rain overnight. No high mountain snow accumulation. Lows in the lower 30s to lower 40s. Windy. South wind 5 to 15 mph with gusts to around 25 mph shifting to the southwest 15 to 25 mph with gusts to around 45 mph overnight. Chance of precipitation near 100 percent.

Wednesday

Rain. Highs in the upper 40s to mid 50s. Windy. Southwest wind 20 to 30 mph with gusts to around 50 mph. Chance of precipitation 90 percent.

Wednesday Night

Rain likely. Lows in the 40s. Windy. Southwest wind 20 to 30 mph with gusts to around 45 mph. Chance of precipitation 70 percent.

Thursday

Windy. Rain likely. Highs in the mid 40s to lower 50s. Chance of precipitation 70 percent.

Thursday Night

Mostly cloudy with a 40 percent chance of rain. Lows in the 40s.

Friday

Mostly cloudy with a 20 percent chance of rain. Highs in the mid 40s to lower 50s.

Friday Night And Saturday

Mostly cloudy. Lows in the upper 30s to lower 40s. Highs in the mid 40s to lower 50s.

Saturday Night

Mostly cloudy with a 30 percent chance of rain. Lows in the mid 30s to lower 40s.

Sunday And Sunday Night

Mostly cloudy with a 50 percent chance of rain and high mountain snow. Highs in the mid 30s to lower 40s, except in the mid to upper 40s valleys. Lows in the mid 30s to lower 40s.

Monday

Mostly cloudy with a chance of rain and high mountain snow. Highs in the upper 30s to lower 40s, except in the mid 40s to lower 50s valleys. Chance of precipitation 50 percent.