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.

Rain

39°F

4°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 36°F (2°C)
Visibility 3.50 mi
Last update 15 Apr 10:20 AM PDT
Extended Forecast for

2 Miles E Newcastle WA

  • Today

    Today: Rain and thunderstorms likely, then showers and possibly a thunderstorm after 3pm.  High near 46. Southwest wind around 8 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 46 °F

    Chance
    Showers then
    Showers

  • Tonight

    Tonight: Rain and snow before 11pm, then a slight chance of rain between 11pm and midnight. Some thunder is also possible.  Low around 34. West wind around 6 mph becoming light and variable.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 52. Southwest wind around 6 mph.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 39. South wind around 7 mph.

    Low: 39 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 54. South southeast wind around 5 mph becoming light and variable  in the morning.

    High: 54 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of rain, mainly after 11pm.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain.  Mostly cloudy, with a high near 62.

    High: 62 °F

    Chance Rain

Detailed Forecast

Today
Rain and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 46. Southwest wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain and snow before 11pm, then a slight chance of rain between 11pm and midnight. Some thunder is also possible. Low around 34. West wind around 6 mph becoming light and variable. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
Mostly sunny, with a high near 52. Southwest wind around 6 mph.
Thursday Night
Mostly cloudy, with a low around 39. South wind around 7 mph.
Friday
Partly sunny, with a high near 54. South southeast wind around 5 mph becoming light and variable in the morning.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Mostly cloudy, with a high near 62.
Saturday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 45.
Sunday
A chance of rain. Mostly cloudy, with a high near 62.
Sunday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 45.
Monday
A slight chance of rain. Partly sunny, with a high near 65.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 46.
Tuesday
A chance of rain. Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Newcastle WA
 47.55°N 122.11°W (Elev. 794 ft)
9:38 am PDT Apr 15, 2026
10am 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