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

STEHEKIN-AIRSTRIP (STRW1)

Lat: 48.34694°NLon: 120.72028°WElev: 1230.0ft.

39°F

4°C

Humidity	98%
Wind Speed	NW 2 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Last update	09 Dec 02:01 AM PST

More Information:

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

Extended Forecast for

3 Miles SSE Trinity WA

Flood Watch December 9, 02:26am until December 11, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 02:26am until December 11, 04:00pm
NOW until 4:00pm Thu
Flood Watch
Overnight
Low: 32 °F
Rain/Snow
Tuesday
High: 41 °F
Slight Chance
Rain/Snow
then
Rain/Snow
Tuesday Night
Low: 33 °F⇑
Rain/Snow
Wednesday
High: 47 °F
Heavy Rain
Wednesday Night
Low: 37 °F
Rain
Thursday
High: 44 °F
Rain
Thursday Night
Low: 35 °F
Rain Likely
Friday
High: 46 °F
Rain Likely

Detailed Forecast

Overnight

Rain and snow, mainly before 4am. Low around 32. West wind around 10 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than one inch possible.

Tuesday

Snow, possibly mixed with rain, mainly after 4pm. High near 41. West wind 6 to 11 mph becoming light and variable in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Tuesday Night

Rain and snow, becoming all rain after 1am. The rain and snow could be heavy at times. Temperature falling to near 33 by 9pm, then rising to around 40 during the remainder of the night. Calm wind becoming southwest around 6 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Wednesday

Rain. The rain could be heavy at times. High near 47. West wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Wednesday Night

Rain. Low around 37. West wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

Thursday

Rain. High near 44. Chance of precipitation is 90%.

Thursday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.

Friday

Rain likely, mainly after 10am. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.

Friday Night

A 40 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 36.

Saturday

A 40 percent chance of rain, mainly after 10am. Partly sunny, with a high near 46.