National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Critical Fire Weather Conditions in the Plains; Heavy Snow in the Sierra and Northern Rockies

Gusty winds and warm, very dry conditions will lead to a Critical Risk of fire weather across much of the High Plains through Thursday. A Pacific storm system will bring strong winds and precipitation from the Pacific Northwest to the Northern Rockies, with heavy mountain snow in the Sierra-Nevada and northern Rockies. Heavy snow will continue in the northern Rockies on Thursday. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

light rain,mist

52°F

11°C

Humidity 93%
Wind Speed S 5 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 50°F (10°C)
Visibility 3.00 mi
Last update 22 Apr 10:20 AM PDT
Extended Forecast for

Newcastle WA

  • Today

    Today: A chance of rain before 4pm, then a slight chance of rain after 5pm. Cloudy, with a high near 54. South southwest wind 10 to 13 mph. Chance of precipitation is 50%.

    High: 54 °F

    Chance Rain

  • Tonight

    Tonight: A slight chance of rain between 10pm and 11pm. Mostly cloudy, with a low around 45. South southwest wind 10 to 13 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 58. South southwest wind 5 to 7 mph.

    High: 58 °F

    Gradual
    Clearing

  • Thursday Night

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

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. Light and variable wind becoming north northwest 5 to 9 mph in the morning.

    High: 62 °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 64.

    High: 64 °F

    Sunny

  • Saturday Night

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

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain before 4pm, then a slight chance of rain after 5pm. Cloudy, with a high near 54. South southwest wind 10 to 13 mph. Chance of precipitation is 50%.
Tonight
A slight chance of rain between 10pm and 11pm. Mostly cloudy, with a low around 45. South southwest wind 10 to 13 mph. Chance of precipitation is 20%.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 58. South southwest wind 5 to 7 mph.
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 62. Light and variable wind becoming north northwest 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 64.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
Last Update:
1:23 am PDT Apr 22, 2026
Forecast Valid:
10am PDT Apr 22, 2026-6pm PDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation