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 >

Hazardous Weather Conditions

Flood Watch until December 11, 04:00 PM PST

Current conditions at

Stevens Pass - Tye Mill (STS54)

Lat: 47.73163°NLon: 121.0853°WElev: 5180.0ft.

39°F

4°C

Humidity	NA
Wind Speed	WSW 4 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Wind Chill	36°F (2°C)
Last update	NA

More Information:

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

Extended Forecast for

10 Miles WNW Plain WA

Flood Watch December 8, 07:27pm until December 11, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 8, 07:27pm until December 11, 04:00pm
NOW until 4:00pm Thu
Flood Watch
Tonight
Low: 33 °F
Heavy Rain
then
Rain/Snow
Tuesday
High: 40 °F
Chance Rain
then Rain
Tuesday Night
Low: 34 °F⇑
Rain/Snow
Wednesday
High: 46 °F
Rain
Wednesday Night
Low: 38 °F
Rain
Thursday
High: 43 °F
Rain
Thursday Night
Low: 37 °F
Chance Rain
Friday
High: 46 °F
Chance Rain

Detailed Forecast

Tonight

Rain before midnight, then rain, possibly mixed with snow. The rain could be heavy at times. Low around 33. West wind around 14 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Tuesday

A chance of rain before 10am, then rain after 1pm. High near 40. Northwest wind 6 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday Night

Rain, possibly mixed with snow, becoming all rain after 1am. The rain could be heavy at times. Temperature rising to around 41 by 4am. Light and variable wind becoming west 5 to 7 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Wednesday

Rain. High near 46. West wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

Wednesday Night

Rain. Low around 38. West wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

Thursday

Rain. High near 43. Chance of precipitation is 80%.

Thursday Night

A 50 percent chance of rain. Mostly cloudy, with a low around 37.

Friday

A 40 percent chance of rain. Partly sunny, with a high near 46.

Friday Night

A 30 percent chance of rain. Mostly cloudy, with a low around 38.

Saturday

A 40 percent chance of rain. Partly sunny, with a high near 46.

Saturday Night

Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.