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.

33°F

1°C

Humidity	100%
Wind Speed	ENE 0 MPH
Barometer	NA
Dewpoint	33°F (1°C)
Visibility	NA
Last update	08 Dec 05:06 AM PST

More Information:

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

Extended Forecast for

3 Miles SW Mazama WA

Overnight
Low: 32 °F
Slight Chance
Snow
Monday
High: 41 °F
Rain/Snow
Monday Night
Low: 33 °F
Rain/Snow
then
Rain/Snow
Likely
Tuesday
High: 38 °F
Chance
Rain/Snow
Tuesday Night
Low: 32 °F
Rain/Snow
Wednesday
High: 39 °F
Rain
Wednesday Night
Low: 34 °F
Rain/Snow
Thursday
High: 40 °F
Rain/Snow
Likely then
Rain Likely
Thursday Night
Low: 36 °F
Rain/Snow
Likely

Detailed Forecast

Overnight

A 20 percent chance of snow. Mostly cloudy, with a low around 32. South wind around 6 mph.

Monday

Rain, possibly mixed with snow, becoming all rain after 2pm. The rain could be heavy at times. High near 41. Southeast wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Monday Night

Rain and snow before 4am, then a slight chance of snow. The rain could be heavy at times. Low around 33. Southwest wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Tuesday

A chance of snow before 10am, then a chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm. Partly sunny, with a high near 38. West wind 6 to 10 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Tuesday Night

Rain, possibly mixed with snow. Low around 32. Light west wind. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

Wednesday

Rain. High near 39. Chance of precipitation is 90%.

Wednesday Night

Rain, possibly mixed with snow before 1am, then rain between 1am and 4am, then rain, possibly mixed with snow after 4am. Low around 34. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Thursday

Rain likely, possibly mixed with snow, becoming all rain after 10am. Mostly cloudy, with a high near 40. Chance of precipitation is 70%.

Thursday Night

Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.

Friday

A 50 percent chance of rain. Mostly cloudy, with a high near 42.

Friday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 36.

Saturday

A 50 percent chance of rain. Partly sunny, with a high near 42.

Saturday Night

Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.