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 >

Current conditions at

BLACK ROCK (OKFO3)

Lat: 43.52831°NLon: 121.81601°WElev: 4891.0ft.

40°F

4°C

Humidity	100%
Wind Speed	E 1 MPH
Barometer	NA
Dewpoint	40°F (4°C)
Visibility	NA
Last update	08 Dec 09:15 AM PST

More Information:

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

Extended Forecast for

4 Miles E Cascade Summit OR

Today
High: 44 °F
Chance Rain
then Rain
Tonight
Low: 39 °F
Rain
Tuesday
High: 45 °F
Rain and
Breezy
Tuesday Night
Low: 42 °F
Rain
Wednesday
High: 48 °F
Rain Likely
Wednesday Night
Low: 37 °F
Chance Rain
Thursday
High: 51 °F
Slight Chance
Rain and
Patchy Fog
Thursday Night
Low: 34 °F
Patchy Fog
then Mostly
Clear
Friday
High: 54 °F
Patchy Fog
then Sunny

Detailed Forecast

Today

Rain. Snow level 7800 feet rising to 8800 feet. High near 44. West southwest wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

Tonight

Rain. Snow level 8000 feet rising to 8800 feet after midnight. Low around 39. West southwest wind 14 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday

Rain. High near 45. Breezy, with a west wind around 22 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday Night

Rain. Low around 42. West southwest wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday

Rain likely, mainly before 4pm. Mostly cloudy, with a high near 48. West southwest wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

A 40 percent chance of rain, mainly before 10pm. Snow level 8000 feet. Mostly cloudy, with a low around 37.

Thursday

A 20 percent chance of rain. Patchy fog after 5pm. Snow level 7900 feet. Otherwise, mostly sunny, with a high near 51.

Thursday Night

Patchy fog between 11pm and midnight. Otherwise, mostly clear, with a low around 34.

Friday

Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 54.

Friday Night

Partly cloudy, with a low around 34.

Saturday

A slight chance of rain. Snow level 6500 feet rising to 7200 feet in the afternoon. Mostly sunny, with a high near 54.