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.

Rain

43°F

6°C

Humidity 86%
Wind Speed S 4 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 39°F (4°C)
Visibility 7.00 mi
Wind Chill41°F (5°C)
Last update 11 Mar 12:20 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 13 to 20 mph, with gusts as high as 41 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Rain

  • Tonight

    Tonight: Showers.  Low around 39. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 45 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Rain.  High near 42. Southwest wind 11 to 13 mph, with gusts as high as 21 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 2am, then rain and snow.  Low around 36. South wind 5 to 10 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain then
    Rain/Snow

  • Friday

    Friday: Rain and snow, becoming all rain after 8am.  High near 40. Light southwest wind.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow
    then Rain

  • Friday Night

    Friday Night: Rain before 2am, then rain and snow likely.  Low around 34. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain then
    Rain/Snow
    Likely

  • Saturday

    Saturday: Snow showers likely before 2pm, then a chance of rain and snow showers between 2pm and 5pm, then a chance of rain showers after 5pm.  Partly sunny, with a high near 44. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 44 °F

    Snow Showers
    Likely then
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A slight chance of rain showers before 8pm, then a slight chance of rain and snow showers between 8pm and 11pm, then a slight chance of snow showers after 11pm.  Mostly cloudy, with a low around 33.

    Low: 33 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Sunday

    Sunday: A chance of snow showers before 8am, then a chance of rain and snow showers between 8am and 11am, then rain likely after 11am.  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 13 to 20 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Showers. Low around 39. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 42. Southwest wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain before 2am, then rain and snow. Low around 36. South wind 5 to 10 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday
Rain and snow, becoming all rain after 8am. High near 40. Light southwest wind. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday Night
Rain before 2am, then rain and snow likely. Low around 34. Chance of precipitation is 90%. Little or no snow accumulation expected.
Saturday
Snow showers likely before 2pm, then a chance of rain and snow showers between 2pm and 5pm, then a chance of rain showers after 5pm. Partly sunny, with a high near 44. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday Night
A slight chance of rain showers before 8pm, then a slight chance of rain and snow showers between 8pm and 11pm, then a slight chance of snow showers after 11pm. Mostly cloudy, with a low around 33.
Sunday
A chance of snow showers before 8am, then a chance of rain and snow showers between 8am and 11am, then rain likely after 11am. Cloudy, with a high near 44.
Sunday Night
Rain. Cloudy, with a low around 40.
Monday
Rain likely. Mostly cloudy, with a high near 54.
Monday Night
Rain likely. 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
 47.53°N 122.14°W (Elev. 873 ft)
8:00 am PDT Mar 11, 2026
12pm PDT Mar 11, 2026-6pm PDT Mar 17, 2026
 
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Additional Resources

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