Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Mist

33°F

1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 33°F (1°C)
Visibility 1.00 mi
Last update 20 Jan 12:39 AM PST
Extended Forecast for

3 Miles ENE Newcastle WA

  • Overnight

    Overnight: Areas of dense freezing fog after 4am. Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Areas Dense
    Freezing Fog

  • Tuesday

    Tuesday: Areas of dense freezing fog before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 51. Calm wind.

    High: 51 °F

    Areas Dense
    Freezing Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Clear

  • Wednesday

    Wednesday: Areas of dense freezing fog before noon. Sunny, with a high near 49. Calm wind.

    High: 49 °F

    Areas Dense
    Freezing Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Areas of dense freezing fog before 11am. Partly sunny, with a high near 47.

    High: 47 °F

    Areas Dense
    Freezing Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Overnight
Areas of dense freezing fog after 4am. Mostly cloudy, with a low around 32. Calm wind.
Tuesday
Areas of dense freezing fog before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 51. Calm wind.
Tuesday Night
Mostly clear, with a low around 33. Calm wind.
Wednesday
Areas of dense freezing fog before noon. Sunny, with a high near 49. Calm wind.
Wednesday Night
Partly cloudy, with a low around 33. Calm wind.
Thursday
Areas of dense freezing fog before 11am. Partly sunny, with a high near 47.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 34.
Saturday
A slight chance of rain after 10am. Partly sunny, with a high near 48.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 37.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 51.
Sunday Night
Rain likely. Mostly cloudy, with a low around 42.
Monday
A chance of rain. Mostly cloudy, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Newcastle WA
 47.58°N 122.09°W (Elev. 200 ft)
7:00 pm PST Jan 19, 2026
12am PST Jan 20, 2026-6pm PST Jan 26, 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