Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Hydrologic Outlook

Current conditions at

NCSB (NCSW1)

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

32°F

0°C

Humidity	100%
Wind Speed	W 1 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	07 Dec 11:06 AM 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: 25 °F
Heavy Snow
Tonight
Low: 23 °F
Snow Likely
and Breezy
Monday
High: 29 °F
Heavy Snow
Monday Night
Low: 22 °F
Heavy Snow
and Windy
Tuesday
High: 23 °F
Heavy Snow
and Windy
Tuesday Night
Low: 21 °F
Heavy Snow
Wednesday
High: 26 °F
Snow and
Breezy
Wednesday Night
Low: 18 °F
Chance Snow
Thursday
High: 22 °F
Chance Snow

Detailed Forecast

This Afternoon

Snow. The snow could be heavy at times. High near 25. West wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.

Tonight

Snow likely, mainly before 4am. Mostly cloudy, with a low around 23. Breezy, with a west wind around 22 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Monday

Snow, mainly after 7am. The snow could be heavy at times. High near 29. Southwest wind 15 to 17 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

Monday Night

Snow, mainly before 4am. The snow could be heavy at times. Low around 22. Windy, with a west wind 25 to 32 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

Tuesday

Snow likely, mainly after 10am. The snow could be heavy at times. Mostly cloudy, with a high near 23. Windy, with a west wind 20 to 25 mph decreasing to 14 to 19 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

Tuesday Night

Snow. The snow could be heavy at times. Low around 21. Chance of precipitation is 80%. New snow accumulation of 5 to 9 inches possible.

Wednesday

Snow. High near 26. Breezy. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Wednesday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 18.

Thursday

A 40 percent chance of snow. Mostly cloudy, with a high near 22.

Thursday Night

Snow likely. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.

Friday

Snow likely. Mostly cloudy, with a high near 27. Chance of precipitation is 60%.