Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

Lat: 47.49509°NLon: 122.21437°WElev: 23.0ft.

Overcast

59°F

15°C

Humidity	67%
Wind Speed	N 0 MPH
Barometer	29.82 in (1009.82 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	21 Apr 07:20 PM PDT

More Information:

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

Extended Forecast for

Newcastle WA

Tonight
Low: 47 °F
Rain Likely
then Rain
Wednesday
High: 52 °F
Rain then
Chance Rain
Wednesday Night
Low: 44 °F
Chance Rain
then Mostly
Cloudy
Thursday
High: 58 °F
Decreasing
Clouds
Thursday Night
Low: 42 °F
Mostly Clear
Friday
High: 63 °F
Sunny
Friday Night
Low: 41 °F
Mostly Clear
Saturday
High: 64 °F
Sunny
Saturday Night
Low: 43 °F
Mostly Clear

Detailed Forecast

Tonight

Rain. Low around 47. Southwest wind 8 to 10 mph becoming east southeast in the evening. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Wednesday

Rain, mainly before 10am. High near 52. South southwest wind 11 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday Night

A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 44. South southwest wind 10 to 13 mph.

Thursday

Mostly cloudy, then gradually becoming sunny, with a high near 58. South southwest wind 6 to 8 mph becoming west northwest in the afternoon.

Thursday Night

Mostly clear, with a low around 42. North northwest wind around 6 mph becoming light and variable in the evening.

Friday

Sunny, with a high near 63.

Friday Night

Mostly clear, with a low around 41.

Saturday

Sunny, with a high near 64.