Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

CASTLE ROCK (TR950)

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

56°F

13°C

Humidity	86%
Wind Speed	SSE 2 MPH
Barometer	NA
Dewpoint	52°F (11°C)
Visibility	NA
Last update	11 Apr 12:09 PM 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

This Afternoon
High: 47 °F
Chance
Showers
Tonight
Low: 40 °F
Chance
Showers
Sunday
High: 45 °F
Chance
Showers then
Showers
Likely
Sunday Night
Low: 37 °F
Rain/Snow
then
Rain/Snow
Likely
Monday
High: 38 °F
Rain/Snow
Monday Night
Low: 35 °F
Rain/Snow
Likely then
Chance Snow
Showers
Tuesday
High: 37 °F
Snow Showers
and Breezy
Tuesday Night
Low: 31 °F
Heavy Snow
and Breezy
Wednesday
High: 35 °F
Snow

Detailed Forecast

This Afternoon

A 30 percent chance of showers. Partly sunny, with a high near 47. West southwest wind 3 to 6 mph.

Tonight

A chance of showers before 2am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 40. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Sunday

Showers likely, mainly after 2pm. Snow level 5600 feet. Mostly cloudy, with a high near 45. Light and variable wind becoming west northwest 5 to 10 mph in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Sunday Night

Rain showers before 11pm, then rain likely, possibly mixed with snow showers. Snow level 5600 feet lowering to 4000 feet after midnight . Low around 37. West southwest wind 8 to 10 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Monday

Snow showers, possibly mixed with rain. Snow level 3700 feet. High near 38. West wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Monday Night

Rain and snow showers likely, becoming all snow after 8pm. Mostly cloudy, with a low around 35. Chance of precipitation is 70%. Little or no snow accumulation expected.

Tuesday

Snow showers. High near 37. Breezy. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

Tuesday Night

Snow. The snow could be heavy at times. Cloudy, with a low around 31. Breezy.

Wednesday

Snow before 11am, then snow showers after 11am. Some thunder is also possible. Cloudy, with a high near 35.

Wednesday Night

Snow likely, mainly before 11pm. Mostly cloudy, with a low around 28.

Thursday

A chance of snow. Partly sunny, with a high near 38.

Thursday Night

A slight chance of snow. Mostly cloudy, with a low around 29.