Lake Effect Snow in the Lower Great Lakes; Unsettled Pattern in the Pacific Northwest

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. Lake Effect Snow Warnings have been issued. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest this afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

54°F

12°C

Humidity 54%
Wind Speed S 6 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 12 Feb 02:15 PM PST
Extended Forecast for

Newcastle WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 51. South southwest wind around 6 mph.

    High: 51 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 41. South wind around 7 mph.

    Low: 41 °F

    Increasing
    Clouds

  • Friday

    Friday: Rain, mainly after noon.  High near 46. South southwest wind around 7 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Chance Rain
    then Rain

  • Friday Night

    Friday Night: Rain.  Low around 38. South wind around 6 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain

  • Saturday

    Saturday: A 50 percent chance of rain, mainly before 4pm.  Mostly cloudy, with a high near 45. South wind around 5 mph becoming north northwest in the afternoon.

    High: 45 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 10pm.  Mostly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain and snow between 10am and 1pm, then a slight chance of rain after 1pm.  Mostly sunny, with a high near 44. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of snow after 4am.  Partly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Clear
    then Chance
    Snow

  • Washington's Birthday

    Washington's Birthday: A chance of rain and snow before 1pm, then rain likely.  Mostly cloudy, with a high near 44.

    High: 44 °F

    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 51. South southwest wind around 6 mph.
Tonight
Increasing clouds, with a low around 41. South wind around 7 mph.
Friday
Rain, mainly after noon. High near 46. South southwest wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain. Low around 38. South wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 50 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 45. South wind around 5 mph becoming north northwest in the afternoon.
Saturday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 34.
Sunday
A slight chance of rain and snow between 10am and 1pm, then a slight chance of rain after 1pm. Mostly sunny, with a high near 44. Chance of precipitation is 20%.
Sunday Night
A chance of snow after 4am. Partly cloudy, with a low around 33.
Washington's Birthday
A chance of rain and snow before 1pm, then rain likely. Mostly cloudy, with a high near 44.
Monday Night
Rain likely before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 35.
Tuesday
Rain and snow likely. Mostly cloudy, with a high near 43.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Wednesday
Rain and snow likely. Mostly cloudy, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WA
 47.53°N 122.14°W (Elev. 873 ft)
1:26 pm PST Feb 12, 2026
2pm PST Feb 12, 2026-6pm PST Feb 18, 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