Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Southern Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over the Northern Mariana Islands. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes through Tuesday. Heavy snow is expected in the Pacific Northwest. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

Lat: 47.49509°NLon: 122.21437°WElev: 23.0ft.

Overcast

52°F

11°C

Humidity 57%
Wind Speed SSW 8 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 13 Apr 10:00 PM PDT
Extended Forecast for

3 Miles E Newcastle WA

  • Tonight

    Tonight: A 50 percent chance of rain, mainly between midnight and 5am.  Mostly cloudy, with a low around 41. South southwest wind around 14 mph.

    Low: 41 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain, mainly after 9am.  High near 45. South southwest wind 15 to 18 mph, with gusts as high as 24 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 45 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain before 2am, then rain likely, possibly mixed with snow.  Low around 36. South southeast wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Rain, possibly mixed with snow, becoming all rain after 2pm. Some thunder is also possible.  High near 45. South southeast wind 6 to 8 mph becoming southwest in the morning.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain likely before 11pm.  Mostly cloudy, with a low around 34. West southwest wind 5 to 8 mph becoming south after midnight.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Rain Likely
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Friday Night

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

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of rain, mainly between midnight and 5am. Mostly cloudy, with a low around 41. South southwest wind around 14 mph.
Tuesday
Rain, mainly after 9am. High near 45. South southwest wind 15 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain before 2am, then rain likely, possibly mixed with snow. Low around 36. South southeast wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday
Rain, possibly mixed with snow, becoming all rain after 2pm. Some thunder is also possible. High near 45. South southeast wind 6 to 8 mph becoming southwest in the morning. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday Night
Rain likely before 11pm. Mostly cloudy, with a low around 34. West southwest wind 5 to 8 mph becoming south after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 52.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Mostly cloudy, with a high near 58.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 44.
Sunday
A chance of rain. Mostly cloudy, with a high near 53.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 42.
Monday
A chance of rain. Partly sunny, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Newcastle WA
 47.53°N 122.11°W (Elev. 1237 ft)
11:27 am PDT Apr 13, 2026
10pm PDT Apr 13, 2026-6pm PDT Apr 20, 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