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.

Mist

52°F

11°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 51°F (11°C)
Visibility 3.00 mi
Last update 22 Apr 12:07 AM PDT
Extended Forecast for

2 Miles ENE Newcastle WA

  • Overnight

    Overnight: Rain, mainly after 2am.  Low around 47. East southeast wind 6 to 9 mph becoming south.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Rain

  • Wednesday

    Wednesday: Rain before 4pm, then a slight chance of rain after 5pm.  High near 52. South southwest wind 11 to 14 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain then
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain between 10pm and 11pm.  Mostly cloudy, with a low around 44. South southwest wind 13 to 16 mph, with gusts as high as 21 mph.

    Low: 44 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 57. South southwest wind 6 to 8 mph.

    High: 57 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. North northwest wind 5 to 7 mph becoming light and variable  in the evening.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
Rain, mainly after 2am. Low around 47. East southeast wind 6 to 9 mph becoming south. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain before 4pm, then a slight chance of rain after 5pm. High near 52. South southwest wind 11 to 14 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 20 percent chance of rain between 10pm and 11pm. Mostly cloudy, with a low around 44. South southwest wind 13 to 16 mph, with gusts as high as 21 mph.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 57. South southwest wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 41. North northwest wind 5 to 7 mph becoming light and variable in the evening.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Newcastle WA
 47.55°N 122.11°W (Elev. 794 ft)
11:26 pm PDT Apr 21, 2026
12am PDT Apr 22, 2026-6pm PDT Apr 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database