Severe Thunderstorm, Flooding, and Winter Weather Threats on Tuesday

Scattered severe thunderstorms are forecast Tuesday from the southern Plains into the southern Great Lakes vicinity. Thunderstorms may also produce heavy to excessive rain that could pose a flooding threat from central Texas into southern Oklahoma and northern Missouri into southern Michigan. A heavy wintry mix is forecast for the Great Lakes into northern Maine. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

41°F

5°C

Humidity 65%
Wind Speed SSE 10 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 10 Mar 10:20 AM PDT
Extended Forecast for

Newcastle WA

  • Today

    Today: Rain, possibly mixed with snow.  High near 42. South southwest wind 14 to 16 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 42 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Tonight

    Tonight: Rain and snow likely before 2am, then rain.  Low around 37. South wind 13 to 16 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain before 11am, then rain, possibly mixed with snow between 11am and 2pm, then rain after 2pm.  High near 48. South wind 5 to 11 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 48 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain before 2am, then showers after 2am.  Low around 40. Breezy, with a south southwest wind 16 to 24 mph, with gusts as high as 33 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain and
    Breezy

  • Thursday

    Thursday: Showers before 11am, then rain after 11am.  High near 43. South southwest wind 9 to 13 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 43 °F

    Showers

  • Thursday Night

    Thursday Night: Rain.  Low around 38. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 38 °F

    Rain

  • Friday

    Friday: Rain.  High near 42. Chance of precipitation is 100%.

    High: 42 °F

    Rain

  • Friday Night

    Friday Night: Rain before 2am, then a chance of rain and snow.  Mostly cloudy, with a low around 34.

    Low: 34 °F

    Rain then
    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of snow showers before 2pm, then a chance of rain and snow showers.  Partly sunny, with a high near 45.

    High: 45 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

Today
Rain, possibly mixed with snow. High near 42. South southwest wind 14 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tonight
Rain and snow likely before 2am, then rain. Low around 37. South wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday
Rain before 11am, then rain, possibly mixed with snow between 11am and 2pm, then rain after 2pm. High near 48. South wind 5 to 11 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Rain before 2am, then showers after 2am. Low around 40. Breezy, with a south southwest wind 16 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers before 11am, then rain after 11am. High near 43. South southwest wind 9 to 13 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 38. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Friday
Rain. High near 42. Chance of precipitation is 100%.
Friday Night
Rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 34.
Saturday
A chance of snow showers before 2pm, then a chance of rain and snow showers. Partly sunny, with a high near 45.
Saturday Night
A slight chance of rain and snow showers between 11pm and 2am, then a slight chance of snow showers after 2am. Mostly cloudy, with a low around 33.
Sunday
Rain and snow likely. Cloudy, with a high near 47.
Sunday Night
Rain likely. Cloudy, with a low around 41.
Monday
Rain likely. Cloudy, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
8:01 am PDT Mar 10, 2026
10am PDT Mar 10, 2026-6pm PDT Mar 16, 2026
 
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Additional Resources

Radar & Satellite Image

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