Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Rain

43°F

6°C

Humidity 81%
Wind Speed SSE 5 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 37°F (3°C)
Visibility 7.00 mi
Wind Chill40°F (4°C)
Last update 11 Mar 03:35 AM 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
  • Overnight

    Overnight: Rain likely, mainly before 5am.  Cloudy, with a low around 38. South wind around 9 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain, mainly after 7am.  High near 49. South wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 41 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Rain

  • Wednesday Night

    Wednesday Night: 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. 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.

    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

Detailed Forecast

Overnight
Rain likely, mainly before 5am. Cloudy, with a low around 38. South wind around 9 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, mainly after 7am. High near 49. South wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
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. 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.
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)
2:26 am PDT Mar 11, 2026
3am PDT Mar 11, 2026-6pm PDT Mar 17, 2026
 
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Additional Resources

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