Severe Thunderstorms in the Southeast; Critical Fire Weather in the Northern Plains

Isolated severe storms with locally damaging wind gusts and hail are possible from the coastal Carolinas into the Florida Peninsula, and along the central Gulf Coast. Heavy rain may cause localized areas of flash flooding in the Gulf Coast. Gusty winds and dry conditions may produce elevated to critical fire weather across the northern/central Plains. Record heat is expected in the West. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Mostly Cloudy

N/A

Humidity NA
Wind Speed N 0 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update NA
Extended Forecast for

Newcastle WA

  • Today

    Today: Sunny, with a high near 70. Northeast wind 5 to 10 mph becoming north northwest in the afternoon.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. Northeast wind 5 to 9 mph.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Northeast wind 5 to 7 mph becoming northwest in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 11pm.  Mostly cloudy, with a low around 55. West northwest wind around 7 mph becoming south after midnight.

    Low: 55 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain before 11am.  Partly sunny, with a high near 70. West southwest wind 7 to 9 mph.

    High: 70 °F

    Chance Rain
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain after 11pm.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Rain

  • Friday

    Friday: A chance of rain.  Partly sunny, with a high near 62.

    High: 62 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 70. Northeast wind 5 to 10 mph becoming north northwest in the afternoon.
Tonight
Mostly clear, with a low around 50. Northeast wind 5 to 9 mph.
Tuesday
Mostly sunny, with a high near 80. Northeast wind 5 to 7 mph becoming northwest in the afternoon.
Tuesday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 55. West northwest wind around 7 mph becoming south after midnight.
Wednesday
A 40 percent chance of rain before 11am. Partly sunny, with a high near 70. West southwest wind 7 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Partly sunny, with a high near 66.
Thursday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 50.
Friday
A chance of rain. Partly sunny, with a high near 62.
Friday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 46.
Saturday
A chance of rain. Partly sunny, with a high near 61.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 47.
Sunday
Partly sunny, with a high near 65.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.54°N 122.17°W (Elev. 397 ft)
11:26 pm PDT May 10, 2026
4am PDT May 11, 2026-6pm PDT May 17, 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