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

43°F

6°C

Humidity 81%
Wind Speed SE 4 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 15 Apr 12:00 PM PDT
Extended Forecast for

2 Miles ESE Newcastle WA

  • This Afternoon

    This Afternoon: Rain showers before 5pm, then rain and snow showers likely. Some thunder is also possible.  Steady temperature around 41. Southwest wind around 8 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow, mainly before 11pm. Some thunder is also possible.  Low around 33. West southwest wind around 6 mph becoming north northwest in the evening.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    then Mostly
    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: Mostly sunny, with a high near 54. South wind around 6 mph becoming light and variable  in the morning.

    High: 54 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

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

    High: 63 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Rain showers before 5pm, then rain and snow showers likely. Some thunder is also possible. Steady temperature around 41. 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 33. 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
Mostly sunny, with a high near 54. South wind around 6 mph becoming light and variable in the morning.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Mostly cloudy, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
A slight chance of rain. Mostly cloudy, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
A chance of rain. Partly sunny, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Newcastle WA
 47.53°N 122.11°W (Elev. 1237 ft)
11:28 am PDT Apr 15, 2026
12pm PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database