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.

34°F

1°C

Humidity	96%
Wind Speed	E 1 MPH
Barometer	NA
Dewpoint	33°F (1°C)
Visibility	NA
Last update	10 Dec 12:00 AM PST

More Information:

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

Extended Forecast for

13 Miles ESE Trinity WA

Flood Watch December 10, 12:40am until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 10, 12:40am until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Overnight
Low: 33 °F⇑
Rain/Snow
Wednesday
High: 42 °F
Heavy Rain
Wednesday Night
Low: 34 °F
Rain and
Breezy then
Rain/Snow
Thursday
High: 37 °F
Rain/Snow
then Chance
Snow
Thursday Night
Low: 32 °F
Chance Snow
then Chance
Rain/Snow
Friday
High: 40 °F
Rain/Snow
Likely
Friday Night
Low: 34 °F
Chance
Rain/Snow
then Slight
Chance Rain
Saturday
High: 38 °F
Slight Chance
Rain

Detailed Forecast

Overnight

Rain and snow, becoming all rain after 1am. The rain could be heavy at times. Temperature rising to around 40 by 5am. West wind 5 to 8 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.

Wednesday

Rain. The rain could be heavy at times. High near 42. West wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Wednesday Night

Rain, possibly mixed with snow. Low around 34. Breezy, with a west wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Thursday

Rain, possibly mixed with snow, becoming all snow after 7am. High near 37. West wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Thursday Night

A chance of snow before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 32. Northwest wind around 7 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Friday

Rain and snow likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 40. Chance of precipitation is 60%. Little or no snow accumulation expected.

Friday Night

A chance of rain and snow before 7pm, then a chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 40%. Little or no snow accumulation expected.

Saturday

A 20 percent chance of rain. Partly sunny, with a high near 38.

Saturday Night

A chance of rain before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.

Sunday

Rain and snow likely, mainly before 4pm. Mostly cloudy, with a high near 37. Chance of precipitation is 60%.

Sunday Night

Rain and snow likely. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.

Monday

Rain and snow. High near 36. Chance of precipitation is 80%.

Monday Night

Rain and snow. Low around 31. Chance of precipitation is 90%.