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

12 Miles ESE Trinity WA

Flood Watch December 8, 07:24pm until December 11, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 8, 07:24pm until December 11, 04:00pm
NOW until 4:00pm Thu
Flood Watch
Tonight
Low: 30 °F
Rain/Snow
Tuesday
High: 36 °F
Slight Chance
Snow then
Chance Snow
Tuesday Night
Low: 30 °F⇑
Rain/Snow
Wednesday
High: 41 °F
Rain/Snow
Wednesday Night
Low: 34 °F
Rain/Snow
Thursday
High: 38 °F
Rain/Snow
Thursday Night
Low: 32 °F
Chance
Rain/Snow
Friday
High: 40 °F
Chance
Rain/Snow

Detailed Forecast

Tonight

Rain before 9pm, then rain, possibly mixed with snow between 9pm and 1am, then a chance of snow after 1am. The rain and snow could be heavy at times. Low around 30. West wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 2 inches possible.

Tuesday

A slight chance of snow before 7am, then a chance of snow after 1pm. Partly sunny, with a high near 36. West wind 6 to 13 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 3 inches possible.

Tuesday Night

Snow before 10pm, then snow, possibly mixed with rain between 10pm and 1am, then rain after 1am. The rain and snow could be heavy at times. Temperature falling to near 30 by 8pm, then rising to around 38 during the remainder of the night. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

Wednesday

Rain before 7am, then rain, possibly mixed with snow. High near 41. West wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Wednesday Night

Rain and snow. Low around 34. West wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Thursday

Rain and snow. High near 38. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Thursday Night

A chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Friday

A chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.

Friday Night

A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 35.

Saturday

A chance of rain and snow before 1pm, then a chance of rain between 1pm and 4pm, then a chance of rain and snow after 4pm. Partly sunny, with a high near 39. Chance of precipitation is 40%.

Saturday Night

Rain and snow likely. Mostly cloudy, with a low around 32. Chance of precipitation is 70%.

Sunday

Snow likely, possibly mixed with rain. Mostly cloudy, with a high near 36. Chance of precipitation is 70%.

Sunday Night

Snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.

Monday

Snow likely, possibly mixed with rain. Mostly cloudy, with a high near 36. Chance of precipitation is 70%.