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

Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >

Hazardous Weather Conditions

Current conditions at

Renton Municipal Airport (KRNT)

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

Rain

48°F

9°C

Humidity 89%
Wind Speed SSE 12 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 45°F (7°C)
Visibility 7.00 mi
Wind Chill43°F (6°C)
Last update 11 Mar 02:53 PM PDT
Extended Forecast for

Newcastle WA

Wind Advisory until March 12, 06:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until March 12, 06:00am

    NOW until 6:00am Thu

    Wind Advisory

  • This Afternoon

    High: 51 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 5am. Low around 40. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain and
    Breezy

  • Thursday

    Thursday: Rain. High near 44. Southwest wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Rain

  • Thursday Night

    Thursday Night: Rain before 8pm, then rain, possibly mixed with snow between 8pm and 9pm, then rain after 9pm. Low around 36. South wind 6 to 9 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow
    then Rain

  • Friday

    Friday: Rain. High near 42. Light south wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 42 °F

    Rain

  • Friday Night

    Friday Night: Rain before 11pm, then rain likely, possibly mixed with snow. Low around 35. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow

  • Saturday

    Saturday: Rain and snow likely before 2pm, then a chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A slight chance of rain and snow. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Rain. High near 51. South southwest wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain, mainly before 5am. Low around 40. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 44. Southwest wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain before 8pm, then rain, possibly mixed with snow between 8pm and 9pm, then rain after 9pm. Low around 36. South wind 6 to 9 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday
Rain. High near 42. Light south wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain before 11pm, then rain likely, possibly mixed with snow. Low around 35. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday
Rain and snow likely before 2pm, then a chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 34.
Sunday
A chance of rain and snow before 11am, then rain likely. Cloudy, with a high near 46.
Sunday Night
Rain. Cloudy, with a low around 41.
Monday
Rain. Cloudy, with a high near 55.
Monday Night
A chance of rain. Mostly cloudy, with a low around 45.
Tuesday
Rain likely. Mostly cloudy, with a high near 61.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 47.
Wednesday
Rain likely. Mostly cloudy, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.52°N 122.17°W (Elev. 400 ft)
Last Update:
2:26 pm PDT Mar 11, 2026
Forecast Valid:
3pm PDT Mar 11, 2026-6pm PDT Mar 18, 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