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

EW6690 Maple Valley (E6690)

Lat: 47.442°NLon: 122.01417°WElev: 770.0ft.

NA

37°F

3°C

Humidity 79%
Wind Speed SSE 0 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 31°F (-1°C)
Visibility NA
Last update 19 Jan 09:59 PM PST
Extended Forecast for

3 Miles WSW Issaquah WA

  • Tonight

    Tonight: Areas of dense freezing fog after 4am. Partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Partly Cloudy
    then Areas
    Dense
    Freezing Fog

  • Tuesday

    Tuesday: Areas of dense freezing fog before 10am. Mostly sunny, with a high near 49. Light north northeast wind.

    High: 49 °F

    Areas Dense
    Freezing Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 34. Light east wind.

    Low: 34 °F

    Mostly Clear

  • Wednesday

    Wednesday: Areas of dense freezing fog before noon. Sunny, with a high near 47. Calm wind.

    High: 47 °F

    Areas Dense
    Freezing Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33. Light east southeast wind.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Areas of dense freezing fog before 11am. Partly sunny, with a high near 45.

    High: 45 °F

    Areas Dense
    Freezing Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Friday Night

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

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
Areas of dense freezing fog after 4am. Partly cloudy, with a low around 33. Calm wind.
Tuesday
Areas of dense freezing fog before 10am. Mostly sunny, with a high near 49. Light north northeast wind.
Tuesday Night
Mostly clear, with a low around 34. Light east wind.
Wednesday
Areas of dense freezing fog before noon. Sunny, with a high near 47. Calm wind.
Wednesday Night
Partly cloudy, with a low around 33. Light east southeast wind.
Thursday
Areas of dense freezing fog before 11am. Partly sunny, with a high near 45.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Sunny, with a high near 46.
Friday Night
Partly cloudy, with a low around 33.
Saturday
A slight chance of rain and snow after 10am. Partly sunny, with a high near 46.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 48.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 41.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Issaquah WA
 47.51°N 122.1°W (Elev. 1201 ft)
7:00 pm PST Jan 19, 2026
10pm PST Jan 19, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database