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.

45°F

7°C

Humidity	60%
Wind Speed	W 5 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Wind Chill	42°F (6°C)
Last update	09 Dec 02:00 AM 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, 02:33am until December 11, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 02:33am until December 11, 04:00pm
NOW until 4:00pm Thu
Flood Watch
Overnight
Low: 34 °F
Rain/Snow
Tuesday
High: 41 °F
Partly Sunny
then
Rain/Snow
Likely
Tuesday Night
Low: 32 °F⇑
Rain/Snow
then Rain
Wednesday
High: 47 °F
Rain
Wednesday Night
Low: 39 °F
Rain
Thursday
High: 45 °F
Rain Likely
Thursday Night
Low: 36 °F
Chance
Rain/Snow
Friday
High: 46 °F
Slight Chance
Rain

Detailed Forecast

Overnight

Rain, possibly mixed with snow. Low around 34. West wind around 9 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Tuesday

A slight chance of rain before 3pm, then a slight chance of rain and snow between 3pm and 4pm, then rain likely after 4pm. Mostly cloudy, with a high near 41. West wind 6 to 11 mph becoming light and variable in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Tuesday Night

Rain, possibly mixed with snow, becoming all rain after midnight. Temperature falling to near 32 by 8pm, then rising to around 40 during the remainder of the night. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

Wednesday

Rain. High near 47. West wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

Wednesday Night

Rain. Low around 39. West wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

Thursday

Rain likely, mainly before 10am. Mostly cloudy, with a high near 45. Chance of precipitation is 70%.

Thursday Night

A chance of rain and snow before 1am, then a slight chance of rain between 1am and 4am. Mostly cloudy, with a low around 36. Chance of precipitation is 30%. Little or no snow accumulation expected.

Friday

A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 46.

Friday Night

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

Saturday

A chance of rain and snow, mainly after 4pm. Partly sunny, with a high near 42. Chance of precipitation is 30%.

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 42. Chance of precipitation is 50%.

Sunday Night

A chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.