Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Overcast

42°F

6°C

Humidity 88%
Wind Speed N 0 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 15 Apr 03:53 AM PDT
Extended Forecast for

2 Miles N Newcastle WA

  • Today

    Today: A chance of rain and snow showers before noon, then rain showers between noon and 5pm, then rain likely after 5pm. Some thunder is also possible.  High near 48. South southeast wind 5 to 7 mph becoming west in the afternoon.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 48 °F

    Chance
    Rain/Snow
    then Showers

  • Tonight

    Tonight: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 36. West southwest wind around 5 mph becoming light and variable.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Rain Likely
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 55. South wind around 5 mph.

    High: 55 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40. South wind around 6 mph.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 56. Light and variable wind.

    High: 56 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of rain.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain.  Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance Rain

Detailed Forecast

Today
A chance of rain and snow showers before noon, then rain showers between noon and 5pm, then rain likely after 5pm. Some thunder is also possible. High near 48. South southeast wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tonight
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 36. West southwest wind around 5 mph becoming light and variable. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly sunny, with a high near 55. South wind around 5 mph.
Thursday Night
Mostly cloudy, with a low around 40. South wind around 6 mph.
Friday
Partly sunny, with a high near 56. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Mostly cloudy, with a high near 64.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 46.
Sunday
A chance of rain. Mostly cloudy, with a high near 64.
Sunday Night
A chance of rain before 11pm. Mostly cloudy, with a low around 47.
Monday
A slight chance of rain. Mostly sunny, with a high near 66.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 47.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Newcastle WA
 47.57°N 122.15°W (Elev. 397 ft)
1:16 am PDT Apr 15, 2026
4am PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
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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