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

MANSON (MASW)

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

42°F

6°C

Humidity	95%
Wind Speed	E 2 MPH
Barometer	NA
Dewpoint	41°F (5°C)
Visibility	NA
Last update	08 Dec 06:00 PM PST

More Information:

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

Extended Forecast for

16 Miles NW Chelan WA

Flood Watch December 8, 07:29pm until December 11, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 8, 07:29pm until December 11, 04:00pm
NOW until 4:00pm Thu
Flood Watch
Tonight
Low: 34 °F
Rain and
Breezy then
Rain/Snow and
Windy
Tuesday
High: 37 °F
Partly Sunny
then Snow
Likely
Tuesday Night
Low: 32 °F⇑
Rain/Snow
Wednesday
High: 42 °F
Rain
Wednesday Night
Low: 37 °F
Rain Likely
Thursday
High: 40 °F
Rain/Snow
Likely
Thursday Night
Low: 35 °F
Chance
Rain/Snow
Friday
High: 41 °F
Slight Chance
Rain/Snow

Detailed Forecast

Tonight

Rain before 2am, then a chance of rain and snow between 2am and 3am, then a chance of snow after 3am. Low around 34. Windy, with a west wind 21 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.

Tuesday

Snow likely, mainly after 4pm. Increasing clouds, with a high near 37. Northwest wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Tuesday Night

Snow before 10pm, then rain and snow between 10pm and 1am, then rain after 1am. Temperature rising to around 40 by 5am. South wind 5 to 7 mph becoming west after midnight. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Wednesday

Rain. High near 42. West wind 11 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

Wednesday Night

Rain likely. Mostly cloudy, with a low around 37. West wind around 14 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

Thursday

Rain likely, possibly mixed with snow, mainly before 4pm. Mostly cloudy, with a high near 40. Chance of precipitation is 70%. Little or no snow accumulation expected.

Thursday Night

A chance of rain and snow, mainly before 10pm. Mostly cloudy, with a low around 35. Chance of precipitation is 30%. Little or no snow accumulation expected.

Friday

A slight chance of rain and snow between 10am and 1pm, then a slight chance of rain after 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 20%.

Friday Night

A 20 percent chance of rain before 4am. Mostly cloudy, with a low around 36.

Saturday

A 30 percent chance of rain after 10am. Partly sunny, with a high near 40.

Saturday Night

A chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 50%.

Sunday

A chance of rain and snow. Partly sunny, with a high near 38. Chance of precipitation is 50%.

Sunday Night

A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.

Monday

Rain and snow likely. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.