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

14 Miles WNW Chelan WA

Flood Watch December 9, 09:10pm until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 09:10pm until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Tonight
Low: 33 °F⇑
Rain/Snow
then Rain
Wednesday
High: 50 °F
Rain and
Breezy
Wednesday Night
Low: 40 °F
Rain and
Breezy
Thursday
High: 46 °F
Rain Likely
Thursday Night
Low: 37 °F
Chance
Rain/Snow
Friday
High: 47 °F
Chance
Rain/Snow
Friday Night
Low: 36 °F
Chance Rain
Saturday
High: 42 °F
Slight Chance
Rain/Snow

Detailed Forecast

Tonight

Rain, possibly mixed with snow, becoming all rain after 10pm. Temperature rising to around 41 by 4am. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 100%. Little or no snow accumulation expected.

Wednesday

Rain. High near 50. Breezy, with a west wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.

Wednesday Night

Rain. Low around 40. Breezy, with a west wind 16 to 21 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Thursday

Rain likely, mainly before 10am. Partly sunny, with a high near 46. West wind 6 to 13 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Thursday Night

A chance of rain and snow, mainly before 4am. Mostly cloudy, with a low around 37. Light west wind. Chance of precipitation is 40%. Little or no snow accumulation expected.

Friday

A chance of rain and snow before 1pm, then a chance of rain. Partly sunny, with a high near 47. Chance of precipitation is 30%. Little or no snow accumulation expected.

Friday Night

A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 36.

Saturday

A slight chance of rain and snow between 10am and 1pm, then a slight chance of rain after 1pm. Partly sunny, with a high near 42. Chance of precipitation is 20%.

Saturday Night

A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 34.

Sunday

A 50 percent chance of rain. Partly sunny, with a high near 43.

Sunday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 34.

Monday

Rain. High near 40. Chance of precipitation is 80%.

Monday Night

Rain. Low around 34. Chance of precipitation is 80%.

Tuesday

Rain and snow likely. Mostly cloudy, with a high near 42. Chance of precipitation is 60%.