Cold Temperatures for the Eastern U.S.; Lake Effect Snow in the Great Lakes; Heavy Rain in the Pacific Northwest

Cold temperatures will continue across much of the eastern U.S. into today. Heavy lake effect snow continues into today east of Lakes Erie and Ontario. Two Pacific cold fronts will cross the Pacific Northwest early this week followed by another atmospheric river. Heavy rain and gusty winds are expected through midweek, with the potential for renewed urban and river flooding. Read More >

Hazardous Weather Conditions

Flood Watch in effect from December 18, 04:00 AM PST until December 20, 04:00 AM PST

Current conditions at

DEE FLAT (DEFO)

Lat: 45.58639°NLon: 121.64056°WElev: 1260.0ft.

59°F

15°C

Humidity	78%
Wind Speed	SSW 9 MPH
Barometer	NA
Dewpoint	53°F (12°C)
Visibility	NA
Last update	15 Dec 03:15 PM PST

More Information:

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

Extended Forecast for

7 Miles ESE Cascade Locks OR

Flood Watch December 18, 04:00am until December 20, 04:00am

Click here for hazard details and duration

Flood Watch

This Afternoon
High: 44 °F
Showers and
Very Windy
Tonight
Low: 39 °F
Rain/Snow
Likely and
Very Windy
Tuesday
High: 42 °F
Rain and
Windy
Tuesday Night
Low: 31 °F
Very Windy.
Showers then
Rain/Snow
Wednesday
High: 32 °F
Snow and Very
Windy
Wednesday Night
Low: 31 °F
Snow and
Breezy
Thursday
High: 37 °F
Rain/Snow and
Breezy
Thursday Night
Low: 31 °F
Rain/Snow and
Windy
Friday
High: 33 °F
Breezy.
Rain/Snow
then Snow

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm. Steady temperature around 44. Very windy, with a west southwest wind around 31 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Rain likely before 3am, then rain likely, possibly mixed with snow. Some thunder is also possible. Snow level 5200 feet. Mostly cloudy, with a low around 39. Very windy, with a west southwest wind 25 to 30 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Tuesday

Rain. Snow level 6000 feet. Steady temperature around 42. Windy, with a southwest wind 21 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

Tuesday Night

Rain before 1am, then rain and snow. Some thunder is also possible. Snow level 7200 feet lowering to 5200 feet after midnight . Low around 31. Very windy, with a west wind 32 to 37 mph increasing to 41 to 46 mph after midnight. Winds could gust as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

Wednesday

Snow. High near 32. Very windy, with a west southwest wind 33 to 38 mph decreasing to 24 to 29 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Wednesday Night

Snow. Low around 31. Breezy. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Thursday

Rain, possibly mixed with snow, becoming all rain after 4pm. The rain could be heavy at times. Snow level rising to 6300 feet in the afternoon. High near 37. Breezy. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Thursday Night

Rain before 7pm, then rain and snow. The rain could be heavy at times. Snow level 5900 feet lowering to 4400 feet after midnight . Cloudy, with a low around 31. Windy.

Friday

Rain and snow, becoming all snow after 10am. Cloudy, with a high near 33. Breezy.

Friday Night

Snow. Mostly cloudy, with a low around 29. Breezy.

Saturday

Snow likely. Mostly cloudy, with a high near 31. Breezy.

Saturday Night

Snow likely. Mostly cloudy, with a low around 28. Breezy.

Sunday

Rain and snow likely. Mostly cloudy, with a high near 32.