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

Hydrologic Outlook

Current conditions at

NCSB (NCSW1)

Lat: 48.42528°NLon: 120.14194°WElev: 1697.0ft.

35°F

2°C

Humidity	97%
Wind Speed	N 1 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Last update	08 Dec 12:06 PM PST

More Information:

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

Extended Forecast for

7 Miles NNE Mazama WA

This Afternoon
High: 30 °F
Heavy Snow
Tonight
Low: 20 °F
Heavy Snow
and Windy
Tuesday
High: 24 °F
Partly Sunny
and Windy
then Heavy
Snow and
Breezy
Tuesday Night
Low: 22 °F
Heavy Snow
Wednesday
High: 30 °F
Heavy Snow
and Breezy
Wednesday Night
Low: 25 °F
Heavy Snow
and Breezy
Thursday
High: 27 °F
Snow Likely
and Breezy
Thursday Night
Low: 24 °F
Chance Snow
Friday
High: 30 °F
Chance Snow

Detailed Forecast

This Afternoon

Snow. The snow could be heavy at times. High near 30. Southwest wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 6 to 10 inches possible.

Tonight

Snow before 1am. The snow could be heavy at times. Low around 20. Windy, with a west wind 28 to 33 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Tuesday

Snow likely, mainly after 4pm. The snow could be heavy at times. Mostly cloudy, with a high near 24. Windy, with a southwest wind 20 to 25 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Tuesday Night

Snow. The snow could be heavy at times. Low around 22. West wind 11 to 16 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

Wednesday

Snow. The snow could be heavy at times. High near 30. Breezy, with a west wind 17 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

Wednesday Night

Snow. The snow could be heavy at times. Low around 25. Breezy. Chance of precipitation is 80%. New snow accumulation of 5 to 9 inches possible.

Thursday

Snow likely. Mostly cloudy, with a high near 27. Breezy. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Thursday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 24.

Friday

A 50 percent chance of snow. Mostly cloudy, with a high near 30.

Friday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 25.

Saturday

A 40 percent chance of snow. Mostly cloudy, with a high near 27.