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 >

Hazardous Weather Conditions

Flood Watch until December 12, 07:00 AM 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	WNW 8 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Wind Chill	33°F (1°C)
Last update	NA

More Information:

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

Extended Forecast for

13 Miles SW Trinity WA

Flood Watch December 10, 02:45am until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 10, 02:45am until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Overnight
Low: 38 °F
Heavy Rain
Wednesday
High: 40 °F
Heavy Rain
Wednesday Night
Low: 31 °F
Rain/Snow
Thursday
High: 34 °F
Rain/Snow
then Snow
Likely
Thursday Night
Low: 31 °F
Snow
Friday
High: 36 °F
Rain/Snow
Friday Night
Low: 34 °F
Rain/Snow
Likely then
Chance
Rain/Snow
Saturday
High: 37 °F
Chance Rain

Detailed Forecast

Overnight

Rain. The rain could be heavy at times. Steady temperature around 38. West wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Wednesday

Rain. The rain could be heavy at times. High near 40. West wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between 3 and 4 inches possible.

Wednesday Night

Snow, possibly mixed with rain. The rain and snow could be heavy at times. Low around 31. West wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Thursday

Snow, possibly mixed with rain, becoming all snow after 7am. The snow could be heavy at times. High near 34. West wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Thursday Night

Snow. Low around 31. West wind around 6 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Friday

Rain, possibly mixed with snow. High near 36. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Friday Night

Rain likely, possibly mixed with snow before 1am, then a chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 70%. Little or no snow accumulation expected.

Saturday

A 40 percent chance of rain, mainly after 4pm. Partly sunny, with a high near 37.

Saturday Night

Rain likely before 4am, then rain, possibly mixed with snow. Low around 33. Chance of precipitation is 80%.

Sunday

Rain and snow. High near 35. Chance of precipitation is 80%.

Sunday Night

Rain and snow. Low around 33. Chance of precipitation is 80%.

Monday

Rain, possibly mixed with snow. High near 36. Chance of precipitation is 90%.

Monday Night

Rain and snow. Low around 31. Chance of precipitation is 100%.