Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

Hazardous Weather Conditions

Winter Storm Warning until March 13, 05:00 AM PDT

Current conditions at

CASTLE ROCK (TR950)

Lat: 46.27139°NLon: 122.89194°WElev: 213.0ft.

42°F

6°C

Humidity	95%
Wind Speed	S 2 MPH
Barometer	NA
Dewpoint	41°F (5°C)
Visibility	NA
Last update	11 Mar 02:09 AM PDT

More Information:

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

Extended Forecast for

11 Miles NW Mount St Helens WA

Winter Storm Warning March 11, 03:13am until March 13, 05:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning March 11, 03:13am until March 13, 05:00am
NOW until 5:00am Fri
Winter Storm Warning
Overnight
Low: 30 °F
Heavy Snow
Wednesday
High: 40 °F
Rain/Snow and
Breezy
Wednesday Night
Low: 31 °F
Windy. Heavy
Rain then
Rain/Snow
Thursday
High: 33 °F
Heavy Snow
and Breezy
Thursday Night
Low: 31 °F
Heavy Snow
then
Rain/Snow
Friday
High: 35 °F
Rain/Snow
Friday Night
Low: 25 °F
Rain/Snow
then Snow
Saturday
High: 33 °F
Snow

Detailed Forecast

Overnight

Snow. The snow could be heavy at times. Low around 30. South southwest wind around 7 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 3 to 5 inches possible.

Wednesday

Rain and snow, becoming all rain after 2pm. The rain and snow could be heavy at times. Snow level rising to 5300 feet in the afternoon. High near 40. Breezy, with a south wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Wednesday Night

Rain before midnight, then rain, possibly mixed with snow between midnight and 2am, then snow after 2am. The rain could be heavy at times. Snow level 5600 feet lowering to 3700 feet after midnight . Low around 31. Windy, with a southwest wind 18 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

Thursday

Snow. The snow could be heavy at times. High near 33. Breezy, with a southwest wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

Thursday Night

Snow before 2am, then snow, possibly mixed with rain. The snow could be heavy at times. Low around 31. West southwest wind around 6 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Friday

Snow, possibly mixed with rain. The snow could be heavy at times. Snow level 4200 feet. High near 35. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Friday Night

Rain and snow, becoming all snow after 11pm. Low around 25. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Saturday

Snow. Mostly cloudy, with a high near 33.

Saturday Night

A chance of snow. Mostly cloudy, with a low around 26.

Sunday

Snow likely before 2pm, then rain and snow likely. Mostly cloudy, with a high near 39.

Sunday Night

Rain and snow likely. Mostly cloudy, with a low around 37.

Monday

Rain likely. Mostly cloudy, with a high near 48.