Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

NCSB (NCSW1)

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

35°F

2°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	NA
Dewpoint	35°F (2°C)
Visibility	NA
Last update	08 Dec 05:06 PM PST

More Information:

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

Extended Forecast for

3 Miles NNE Mazama WA

Tonight
Low: 26 °F
Rain/Snow and
Breezy then
Heavy Snow
and Windy
Tuesday
High: 29 °F
Partly Sunny
and Breezy
then Snow
Likely
Tuesday Night
Low: 27 °F⇑
Heavy Snow
then
Rain/Snow
Wednesday
High: 34 °F
Rain/Snow
then Snow
Wednesday Night
Low: 31 °F
Snow
Thursday
High: 31 °F
Snow Likely
Thursday Night
Low: 29 °F
Chance Snow
Friday
High: 34 °F
Chance Snow
Friday Night
Low: 31 °F
Chance Snow

Detailed Forecast

Tonight

Rain and snow, becoming all snow after 10pm, then gradually ending. The snow could be heavy at times. Low around 26. Windy, with a west wind 11 to 16 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 43 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 3 inches possible.

Tuesday

Snow likely, mainly after 4pm. Mostly cloudy, with a high near 29. Breezy, with a west wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

Tuesday Night

Snow before 4am, then snow, possibly mixed with rain. The snow could be heavy at times. Temperature rising to around 34 by 5am. West wind 7 to 10 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Wednesday

Snow, possibly mixed with rain, becoming all snow after 7am. High near 34. West wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Wednesday Night

Snow. Low around 31. West wind around 15 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

Thursday

Snow likely. Mostly cloudy, with a high near 31. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Thursday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 29. New snow accumulation of less than a half inch possible.

Friday

A 40 percent chance of snow. Mostly cloudy, with a high near 34.

Friday Night

A 30 percent chance of snow. Mostly cloudy, with a low around 31.

Saturday

A 40 percent chance of snow. Partly sunny, with a high near 33.