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Severe Weather and Flooding Threats for the Central U.S.; Fire Weather Concerns for the Western U.S.

Severe weather and flooding threats continue for portions of the central U.S., with impactful flash flooding possible from southern Kansas to southwestern Missouri. Extremely Critical fire weather conditions will develop across the Great Basin and Southwest on Friday, with dry and windy conditions through the weekend. Dangerous heat will increase across the southern and central U.S. this weekend. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Overcast

66°F

19°C

Humidity 63%
Wind Speed N 4 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 25 Jun 03:35 PM PDT
Extended Forecast for

Newcastle WA

  • This Afternoon

    This Afternoon: A 30 percent chance of rain after 5pm. Cloudy, with a high near 70. Southwest wind 3 to 5 mph.

    High: 70 °F

    Chance Rain

  • Tonight

    Tonight: Rain. Low around 55. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Rain

  • Friday

    Friday: Rain and thunderstorms before 5pm, then a chance of rain. High near 66. Southwest wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers then
    Chance Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain after midnight. Cloudy, with a low around 52. South southwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 52 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 66. South southwest wind 5 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Rain Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A 30 percent chance of rain after 5pm. Cloudy, with a high near 70. Southwest wind 3 to 5 mph.
Tonight
Rain. Low around 55. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain and thunderstorms before 5pm, then a chance of rain. High near 66. Southwest wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 50 percent chance of rain after midnight. Cloudy, with a low around 52. South southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Saturday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 66. South southwest wind 5 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 52.
Sunday
Mostly cloudy, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 52.
Monday
Mostly cloudy, with a high near 65.
Monday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 52.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 65.
Tuesday Night
Mostly cloudy, with a low around 51.
Wednesday
Mostly cloudy, with a high near 66.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Thursday
A chance of rain. Partly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.52°N 122.17°W (Elev. 400 ft)
Last Update:
11:27 am PDT Jun 25, 2026
Forecast Valid:
3pm PDT Jun 25, 2026-6pm PDT Jul 2, 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