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

43°F

6°C

Humidity 86%
Wind Speed N 6 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 39°F (4°C)
Visibility 9.00 mi
Wind Chill39°F (4°C)
Last update 15 Apr 02:20 AM PDT
Extended Forecast for

2 Miles NNE Newcastle WA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 40. Southeast wind around 5 mph.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: 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 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

  • Wednesday Night

    Wednesday Night: 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.

    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

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 40. Southeast wind around 5 mph.
Wednesday
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 wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
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.
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. 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 NNE Newcastle WA
 47.57°N 122.15°W (Elev. 397 ft)
1:16 am PDT Apr 15, 2026
2am 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