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

Flood Watch in effect from December 8, 04:00 AM PST until December 12, 04:00 AM PST

Current conditions at

Timberline Lodge (TIM59)

Lat: 45.32997°NLon: 121.71133°WElev: 5800.0ft.

34°F

1°C

Humidity	97%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	33°F (1°C)
Visibility	NA
Last update	08 Dec 01:00 AM PST

More Information:

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

Extended Forecast for

3 Miles SSW Mount Hood OR

Flood Watch December 8, 04:00am until December 12, 04:00am

Click here for hazard details and duration

Flood Watch

Overnight
Low: 37 °F
Rain/Snow and
Breezy
Monday
High: 41 °F
Windy.
Rain/Snow
then Heavy
Rain
Monday Night
Low: 40 °F
Very Windy.
Heavy Rain
then
Rain/Snow
Tuesday
High: 44 °F
Rain/Snow and
Windy
Tuesday Night
Low: 42 °F
Heavy Rain
and Very
Windy
Wednesday
High: 44 °F
Heavy Rain
and Very
Windy
Wednesday Night
Low: 41 °F
Rain and
Windy
Thursday
High: 44 °F
Rain and
Breezy
Thursday Night
Low: 36 °F
Chance Rain

Detailed Forecast

Overnight

Snow, possibly mixed with rain. Snow level 6500 feet. Steady temperature around 37. Breezy, with a west wind around 16 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.

Monday

Rain and snow likely before 7am, then rain. The rain could be heavy at times. Snow level 7400 feet rising to 8600 feet in the afternoon. High near 41. Windy, with a west southwest wind 23 to 29 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Monday Night

Rain before 4am, then rain and snow. The rain could be heavy at times. Snow level 8100 feet lowering to 7500 feet after midnight . Steady temperature around 40. Very windy, with a west southwest wind 39 to 41 mph, with gusts as high as 70 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

Tuesday

Rain and snow, becoming all rain after 1pm. The rain and snow could be heavy at times. Snow level 6800 feet rising to 8200 feet in the afternoon. High near 44. Windy, with a west southwest wind 13 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Tuesday Night

Rain. The rain could be heavy at times. Low around 42. Very windy, with a west southwest wind 26 to 31 mph increasing to 32 to 37 mph after midnight. Winds could gust as high as 60 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Wednesday

Rain. The rain could be heavy at times. High near 44. Very windy. Chance of precipitation is 100%.

Wednesday Night

Rain. Snow level 8300 feet. Low around 41. Windy. Chance of precipitation is 90%.

Thursday

Rain, mainly before 4pm. Snow level 8300 feet. Mostly cloudy, with a high near 44. Breezy.

Thursday Night

A chance of rain, mainly before 10pm. Snow level 7800 feet. Mostly cloudy, with a low around 36.

Friday

A slight chance of rain. Snow level 7200 feet. Mostly sunny, with a high near 44.

Friday Night

A slight chance of rain. Snow level 7000 feet. Partly cloudy, with a low around 35.