Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Stampede Pass (KSMP)

Lat: 47.27648°NLon: 121.33817°WElev: 3970.0ft.

rain,mist

36°F

2°C

Humidity	100%
Wind Speed	N 3 MPH
Barometer	29.91 in (1012.87 mb)
Dewpoint	36°F (2°C)
Visibility	1.00 mi
Last update	08 Dec 12:12 PM PST

More Information:

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

Extended Forecast for

12 Miles ESE Greenwater WA

Flood Watch until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
This Afternoon
High: 41 °F
Rain
Tonight
Low: 31 °F
Rain/Snow and
Breezy
Tuesday
High: 40 °F
Snow then
Rain/Snow
Tuesday Night
Low: 35 °F
Rain/Snow
then Heavy
Rain
Wednesday
High: 40 °F
Rain/Snow
Wednesday Night
Low: 38 °F
Rain/Snow
Thursday
High: 41 °F
Rain
Thursday Night
Low: 39 °F
Rain Likely

Detailed Forecast

This Afternoon

Rain. High near 41. West wind 14 to 18 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Tonight

Rain before 10pm, then rain and snow. The rain could be heavy at times. Low around 31. Breezy, with a west wind 24 to 26 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

Tuesday

Snow before 1pm, then rain, possibly mixed with snow. High near 40. Southwest wind 5 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

Tuesday Night

Rain, possibly mixed with snow, becoming all rain after 7pm. The rain could be heavy at times. Low around 35. West wind 8 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Wednesday

Rain before 10am, then rain, possibly mixed with snow. The rain could be heavy at times. High near 40. West wind 13 to 18 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Wednesday Night

Rain, possibly mixed with snow, becoming all rain after 1am. Low around 38. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday

Rain. High near 41. Chance of precipitation is 90%.

Thursday Night

Rain likely. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.

Friday

A 40 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 42.

Friday Night

A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 36.

Saturday

A chance of rain. Partly sunny, with a high near 42.