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 >

Current conditions at

Renton Municipal Airport (KRNT)

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

light rain,mist

46°F

8°C

Humidity 93%
Wind Speed SSE 10 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 45°F (7°C)
Visibility 6.00 mi
Wind Chill41°F (5°C)
Last update 11 Mar 02:20 PM PDT
Extended Forecast for

Newcastle WA

Wind Advisory March 11, 03:00pm until March 12, 06:00am
Click here for hazard details and duration
Wind Advisory
  • This Afternoon

    This Afternoon: Rain.  High near 49. South southwest wind 17 to 21 mph, with gusts as high as 34 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Rain

  • Tonight

    Tonight: Rain likely, mainly before 5am.  Cloudy, with a low around 39. Breezy, with a southwest wind 20 to 24 mph, with gusts as high as 40 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain Likely
    and Breezy

  • Thursday

    Thursday: Rain.  High near 42. Southwest wind 14 to 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °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 35. South wind 6 to 10 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow
    then Rain

  • Friday

    Friday: Rain before 1pm, then rain and snow between 1pm and 2pm, then rain after 2pm.  High near 40. South wind 3 to 5 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 40 °F

    Rain then
    Rain/Snow

  • Friday Night

    Friday Night: Rain, possibly mixed with snow.  Low around 34. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow

  • Saturday

    Saturday: Rain and snow likely before 2pm, then a chance of rain.  Mostly cloudy, with a high near 44. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A slight chance of rain and snow.  Mostly cloudy, with a low around 33.

    Low: 33 °F

    Slight Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of rain and snow before 11am, then rain likely.  Cloudy, with a high near 44.

    High: 44 °F

    Rain/Snow
    Likely then
    Rain Likely

Detailed Forecast

This Afternoon
Rain. High near 49. South southwest wind 17 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain likely, mainly before 5am. Cloudy, with a low around 39. Breezy, with a southwest wind 20 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 42. Southwest wind 14 to 18 mph, with gusts as high as 29 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 35. South wind 6 to 10 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday
Rain before 1pm, then rain and snow between 1pm and 2pm, then rain after 2pm. High near 40. South wind 3 to 5 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday Night
Rain, possibly mixed with snow. Low around 34. 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 44. 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 33.
Sunday
A chance of rain and snow before 11am, then rain likely. Cloudy, with a high near 44.
Sunday Night
Rain. Cloudy, with a low around 40.
Monday
Rain. Cloudy, with a high near 53.
Monday Night
A chance of rain. Mostly cloudy, with a low around 44.
Tuesday
Rain likely. Mostly cloudy, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.55°N 122.14°W (Elev. 538 ft)
2:26 pm PDT Mar 11, 2026
2pm PDT Mar 11, 2026-6pm PDT Mar 17, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database