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

3 Miles ESE Newcastle WA

  • Today

    Today: Rain and snow showers likely before 3pm, then rain showers between 3pm and 5pm, then rain and snow showers likely after 5pm. Some thunder is also possible.  High near 45. Southwest wind around 8 mph.  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, mainly before 11pm. Some thunder is also possible.  Low around 34. West southwest wind around 6 mph becoming north northwest in the evening.  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 51. South wind around 6 mph.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 38 °F

    Mostly Cloudy

  • Friday

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

    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, 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 63.

    High: 63 °F

    Chance Rain

Detailed Forecast

Today
Rain and snow showers likely before 3pm, then rain showers between 3pm and 5pm, then rain and snow showers likely after 5pm. Some thunder is also possible. High near 45. Southwest wind around 8 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tonight
Rain and snow, mainly before 11pm. Some thunder is also possible. Low around 34. West southwest wind around 6 mph becoming north northwest in the evening. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
Mostly sunny, with a high near 51. South wind around 6 mph.
Thursday Night
Mostly cloudy, with a low around 38. South wind around 7 mph.
Friday
Partly sunny, with a high near 53. South wind around 6 mph becoming light and variable in the morning.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Mostly cloudy, with a high near 61.
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 63.
Sunday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 46.
Monday
A slight chance of rain. Partly sunny, with a high near 63.
Monday Night
A 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:
3 Miles ESE Newcastle WA
 47.53°N 122.11°W (Elev. 1237 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