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

41°F

5°C

Humidity 86%
Wind Speed E 3 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 15 Apr 06:35 AM PDT
Extended Forecast for

2 Miles ESE Newcastle WA

  • Today

    Today: Rain, possibly mixed with snow showers. Some thunder is also possible.  High near 45. South wind 6 to 8 mph becoming west in the afternoon.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 45 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Tonight

    Tonight: Rain and snow likely, mainly before 10pm. Some thunder is also possible.  Mostly cloudy, with a low around 34. West southwest wind around 6 mph becoming south after midnight.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 51. South wind around 7 mph.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 38. Southwest wind around 7 mph.

    Low: 38 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 53. South southeast wind around 6 mph becoming light and variable.

    High: 53 °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 61.

    High: 61 °F

    Mostly Cloudy

  • Saturday Night

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

    Low: 45 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain.  Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance Rain

Detailed Forecast

Today
Rain, possibly mixed with snow showers. Some thunder is also possible. High near 45. South wind 6 to 8 mph becoming west in the afternoon. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tonight
Rain and snow likely, mainly before 10pm. Some thunder is also possible. Mostly cloudy, with a low around 34. West southwest wind around 6 mph becoming south after midnight. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
Mostly sunny, with a high near 51. South wind around 7 mph.
Thursday Night
Mostly cloudy, with a low around 38. Southwest wind around 7 mph.
Friday
Partly sunny, with a high near 53. South southeast wind around 6 mph becoming light and variable.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Mostly cloudy, with a high near 61.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 45.
Sunday
A chance of rain. Mostly cloudy, with a high near 63.
Sunday Night
A chance of rain before 11pm. Mostly cloudy, with a low around 46.
Monday
A chance of rain. Partly sunny, with a high near 63.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 46.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Newcastle WA
 47.53°N 122.11°W (Elev. 1237 ft)
1:16 am PDT Apr 15, 2026
6am 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