Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

CASTLE ROCK (TR950)

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

52°F

11°C

Humidity	100%
Wind Speed	ESE 1 MPH
Barometer	NA
Dewpoint	52°F (11°C)
Visibility	NA
Last update	20 Mar 06:09 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

Today
High: 47 °F
Rain
Tonight
Low: 30 °F
Rain/Snow
Likely then
Chance
Rain/Snow
Saturday
High: 37 °F
Chance Snow
Saturday Night
Low: 28 °F
Partly Cloudy
Sunday
High: 42 °F
Chance Snow
Sunday Night
Low: 32 °F
Mostly Cloudy
Monday
High: 46 °F
Mostly Cloudy
Monday Night
Low: 38 °F
Rain/Snow
Tuesday
High: 44 °F
Rain/Snow
then Rain and
Breezy

Detailed Forecast

Today

Rain. High near 47. South wind 7 to 9 mph becoming west southwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Tonight

Rain and snow likely before 2am, then a slight chance of snow between 2am and 4am. Snow level 6400 feet lowering to 3700 feet after midnight . Mostly cloudy, with a low around 30. Northwest wind around 7 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday

A 50 percent chance of snow. Partly sunny, with a high near 37. West northwest wind 6 to 10 mph. New snow accumulation of less than a half inch possible.

Saturday Night

Partly cloudy, with a low around 28. West northwest wind 6 to 11 mph becoming light northwest in the evening.

Sunday

A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 42. Light and variable wind becoming northwest 5 to 7 mph in the afternoon. Little or no snow accumulation expected.

Sunday Night

Mostly cloudy, with a low around 32.

Monday

Mostly cloudy, with a high near 46.

Monday Night

A slight chance of rain before 8pm, then snow, possibly mixed with rain. Snow level 3900 feet rising to 4500 feet after midnight. Mostly cloudy, with a low around 38.

Tuesday

Rain and snow, becoming all rain after 8am. Snow level 4900 feet rising to 6000 feet in the afternoon. Cloudy, with a high near 44. Breezy.

Tuesday Night

Rain before 11pm, then rain and snow. Snow level 5700 feet lowering to 4100 feet after midnight . Cloudy, with a low around 32. Breezy.

Wednesday

Snow. Cloudy, with a high near 37. Breezy.

Wednesday Night

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

Thursday

A chance of snow. Partly sunny, with a high near 43.