Severe Thunderstorms in the Central Plains; Heavy Rainfall in the Mississippi and Tennessee Valleys; Critical Fire Weather in the Southwest

Scattered severe storms capable of large to very large hail, severe wind gusts, and a few tornadoes will be possible across the central Plains. Heavy rain will pose a flash flood threat across portions of the Mississippi Valley into the Tennessee and Ohio Valleys. Hot, dry and windy conditions will continue to bring a critical fire weather threat from the Southwest into the Great Basin. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Overcast

62°F

17°C

Humidity 47%
Wind Speed SW 4 MPH
Barometer 29.66 in (1004.4 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 08 Jun 01:53 PM PDT
Extended Forecast for

Newcastle WA

  • This Afternoon

    This Afternoon: Rain.  High near 62. Light and variable wind becoming east northeast around 5 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Rain

  • Tonight

    Tonight: Rain.  Low around 52. Southeast wind 5 to 8 mph becoming southwest after midnight.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 52 °F

    Rain

  • Tuesday

    Tuesday: Rain likely before 11am, then a chance of showers and thunderstorms between 11am and 5pm, then a chance of rain and thunderstorms after 5pm.  Mostly cloudy, with a high near 61. Southwest wind 10 to 17 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly after 11pm.  Mostly cloudy, with a low around 48. South southwest wind 9 to 16 mph, with gusts as high as 26 mph.

    Low: 48 °F

    Chance Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain.  Partly sunny, with a high near 64. South southwest wind 5 to 7 mph becoming light and variable  in the morning.

    High: 64 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

This Afternoon
Rain. High near 62. Light and variable wind becoming east northeast around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain. Low around 52. Southeast wind 5 to 8 mph becoming southwest after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain likely before 11am, then a chance of showers and thunderstorms between 11am and 5pm, then a chance of rain and thunderstorms after 5pm. Mostly cloudy, with a high near 61. Southwest wind 10 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 48. South southwest wind 9 to 16 mph, with gusts as high as 26 mph.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 64. South southwest wind 5 to 7 mph becoming light and variable in the morning.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 75.
Friday Night
Clear, with a low around 54.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.54°N 122.17°W (Elev. 397 ft)
11:26 am PDT Jun 8, 2026
2pm PDT Jun 8, 2026-6pm PDT Jun 14, 2026
 
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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