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.

unknown precip,mist

32°F

0°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	30.02 in (1016.59 mb)
Dewpoint	32°F (0°C)
Visibility	2.50 mi
Last update	08 Dec 08:56 AM PST

More Information:

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

Extended Forecast for

12 Miles E 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
Today
High: 40 °F
Rain/Snow
then Rain
Tonight
Low: 29 °F
Rain/Snow and
Windy
Tuesday
High: 38 °F
Snow then
Rain/Snow
Tuesday Night
Low: 34 °F
Rain/Snow
then Heavy
Rain and
Breezy
Wednesday
High: 39 °F
Rain/Snow and
Breezy
Wednesday Night
Low: 37 °F
Rain/Snow
Thursday
High: 40 °F
Rain/Snow
Thursday Night
Low: 37 °F
Rain Likely

Detailed Forecast

Today

Rain, possibly mixed with snow, becoming all rain after 10am. High near 40. West wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Tonight

Rain before 10pm, then snow, possibly mixed with rain. The rain could be heavy at times. Low around 29. Windy, with a west wind 30 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Tuesday

Snow before 4pm, then rain and snow. High near 38. Southwest wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Tuesday Night

Rain, possibly mixed with snow, becoming all rain after 10pm. The rain could be heavy at times. Low around 34. Breezy, with a west wind 10 to 15 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Wednesday

Rain, possibly mixed with snow. The rain could be heavy at times. High near 39. Breezy, with a west wind 14 to 23 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. Low around 37. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday

Rain, possibly mixed with snow, becoming all rain after 1pm. High near 40. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday Night

Rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.

Friday

A 40 percent chance of rain. Mostly cloudy, with a high near 40.

Friday Night

A chance of rain. Mostly cloudy, with a low around 34.

Saturday

A chance of rain. Partly sunny, with a high near 39.