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.

40°F

4°C

Humidity	99%
Wind Speed	WNW 3 MPH
Barometer	NA
Dewpoint	40°F (4°C)
Visibility	NA
Last update	09 Dec 03:01 AM PST

More Information:

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

Extended Forecast for

Trinity WA

Flood Watch December 9, 04:13am until December 11, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 04:13am until December 11, 04:00pm
NOW until 4:00pm Thu
Flood Watch
Overnight
Low: 32 °F
Chance Snow
Tuesday
High: 40 °F
Chance Snow
then
Rain/Snow
Tuesday Night
Low: 33 °F⇑
Rain/Snow
Wednesday
High: 46 °F
Heavy Rain
then
Rain/Snow
Wednesday Night
Low: 36 °F
Rain/Snow
Thursday
High: 43 °F
Rain/Snow
Thursday Night
Low: 34 °F
Rain/Snow
Likely
Friday
High: 45 °F
Rain Likely

Detailed Forecast

Overnight

A 30 percent chance of snow. Mostly cloudy, with a low around 32. West wind around 15 mph, with gusts as high as 24 mph. Total nighttime snow accumulation of 1 to 3 inches possible.

Tuesday

A chance of snow before 1pm, then snow, possibly mixed with rain. The snow could be heavy at times. High near 40. West wind 8 to 13 mph becoming light and variable in the afternoon. Chance of precipitation is 80%. New snow accumulation of around an 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. Light and variable wind becoming west 5 to 8 mph in the evening. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Wednesday

Rain before 1pm, then rain, possibly mixed with snow. The rain could be heavy at times. High near 46. West wind around 8 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Wednesday Night

Rain, possibly mixed with snow before 7pm, then rain between 7pm and 1am, then rain, possibly mixed with snow after 1am. Low around 36. West wind around 8 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday

Rain, possibly mixed with snow, becoming all rain after 1pm. High near 43. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday Night

Rain likely, possibly mixed with snow before 1am, then a chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 60%. Little or no snow accumulation expected.

Friday

Rain likely, mainly after 10am. Mostly cloudy, with a high near 45. Chance of precipitation is 60%.

Friday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 35.

Saturday

A chance of rain before 10am, then a chance of rain and snow. Partly sunny, with a high near 44. Chance of precipitation is 40%.

Saturday Night

Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 33. Chance of precipitation is 70%.

Sunday

Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 41. Chance of precipitation is 70%.

Sunday Night

Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.