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

MANSON (MASW)

Lat: 47.91694°NLon: 120.12444°WElev: 1972.0ft.

40°F

4°C

Humidity	88%
Wind Speed	ENE 1 MPH
Barometer	NA
Dewpoint	37°F (3°C)
Visibility	NA
Last update	09 Dec 08:00 PM PST

More Information:

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

Extended Forecast for

16 Miles ESE Trinity WA

Flood Watch December 9, 08:40pm until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 08:40pm until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Tonight
Low: 29 °F⇑
Heavy Snow
then
Rain/Snow
Wednesday
High: 37 °F
Breezy. Heavy
Rain then
Rain/Snow
Wednesday Night
Low: 31 °F
Rain/Snow and
Windy
Thursday
High: 33 °F
Snow Likely
Thursday Night
Low: 29 °F
Chance Snow
Friday
High: 34 °F
Chance Snow
then Chance
Rain/Snow
Friday Night
Low: 30 °F
Chance
Rain/Snow
then Slight
Chance Snow
Saturday
High: 31 °F
Chance Snow

Detailed Forecast

Tonight

Snow before 2am, then rain, possibly mixed with snow. The rain and snow could be heavy at times. Temperature rising to around 37 by 5am. West wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 4 to 8 inches possible.

Wednesday

Rain before 1pm, then snow, possibly mixed with rain. The rain could be heavy at times. High near 37. Breezy, with a west wind 16 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Wednesday Night

Rain and snow, becoming all snow after 1am. Low around 31. Windy, with a west wind 17 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Thursday

Snow likely. Mostly cloudy, with a high near 33. West wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Thursday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 29. Northwest wind around 9 mph. New snow accumulation of less than a half inch possible.

Friday

A chance of snow before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 34. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Friday Night

A chance of rain and snow before 7pm, then a chance of snow. Mostly cloudy, with a low around 30. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

Saturday

A 30 percent chance of snow, mainly after 10am. Partly sunny, with a high near 31.

Saturday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 29.

Sunday

Snow likely. Mostly cloudy, with a high near 31. Chance of precipitation is 60%.

Sunday Night

Snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.

Monday

Snow. The snow could be heavy at times. High near 30. Chance of precipitation is 80%.

Monday Night

Snow. The snow could be heavy at times. Low around 27. Chance of precipitation is 90%.