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

DRY CRK (DCCW1)

Lat: 45.94361°NLon: 121.9875°WElev: 2697.0ft.

54°F

12°C

Humidity	99%
Wind Speed	S 3 MPH
Barometer	NA
Dewpoint	54°F (12°C)
Visibility	NA
Last update	15 Dec 01:25 PM PST

More Information:

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

Extended Forecast for

5 Miles ESE Mount St Helens WA

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

Click here for hazard details and duration

Flood Watch

This Afternoon
High: 50 °F
Showers and
Breezy
Tonight
Low: 40 °F
Rain
Tuesday
High: 47 °F
Heavy Rain
Tuesday Night
Low: 33 °F
Breezy. Heavy
Rain then
Rain/Snow
Wednesday
High: 36 °F
Rain/Snow
Wednesday Night
Low: 34 °F
Rain/Snow
Thursday
High: 41 °F
Rain/Snow
Thursday Night
Low: 34 °F
Rain/Snow
Friday
High: 36 °F
Rain/Snow

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm. High near 50. Breezy, with a southwest wind around 16 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Rain likely and possibly a thunderstorm, then rain after 3am. Low around 40. Southwest wind 5 to 9 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

Tuesday

Rain. The rain could be heavy at times. High near 47. South southwest wind 6 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Tuesday Night

Rain before 4am, then rain, possibly mixed with snow. The rain could be heavy at times. Some thunder is also possible. Snow level 6800 feet lowering to 4600 feet after midnight . Low around 33. Breezy, with a west southwest wind 16 to 18 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Wednesday

Rain, possibly mixed with snow before 7am, then snow between 7am and 1pm, then rain, possibly mixed with snow after 1pm. High near 36. West southwest wind 10 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

Wednesday Night

Rain, possibly mixed with snow before 7pm, then rain between 7pm and 1am, then rain, possibly mixed with snow after 1am. Snow level 3000 feet. Low around 34. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday

Rain, possibly mixed with snow, becoming all rain after 1pm. The rain could be heavy at times. Snow level 3500 feet rising to 5700 feet in the afternoon. High near 41. Chance of precipitation is 100%. Little or no snow accumulation expected.

Thursday Night

Rain before 10pm, then rain and snow. The rain could be heavy at times. Snow level 5100 feet lowering to 3700 feet after midnight . Cloudy, with a low around 34.

Friday

Rain and snow. Snow level 2700 feet. Cloudy, with a high near 36.

Friday Night

Snow. Mostly cloudy, with a low around 31.

Saturday

Rain and snow. Cloudy, with a high near 35.

Saturday Night

Rain and snow. Mostly cloudy, with a low around 31.

Sunday

Rain and snow likely. Snow level rising to 3100 feet in the afternoon. Mostly cloudy, with a high near 37.