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

N/A

Humidity NA
Wind Speed WSW 0 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

Issaquah WA

  • Tonight

    Tonight: Areas of dense fog after 4am.  Otherwise, clear, with a low around 33. Calm wind.

    Low: 33 °F

    Clear then
    Areas Dense
    Fog

  • M.L.King Day

    M.L.King Day: Areas of dense fog before 10am.  Otherwise, sunny, with a high near 55. Calm wind.

    High: 55 °F

    Areas Dense
    Fog then
    Sunny

  • Monday Night

    Monday Night: Areas of dense fog after 4am.  Otherwise, partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Clear
    then Areas
    Dense Fog

  • Tuesday

    Tuesday: Areas of dense fog before 10am.  Otherwise, mostly sunny, with a high near 52. Calm wind.

    High: 52 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Areas of dense fog after 5am.  Otherwise, partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Clear
    then Areas
    Dense Fog

  • Wednesday

    Wednesday: Areas of dense fog before 10am.  Otherwise, partly sunny, with a high near 51.

    High: 51 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A slight chance of rain.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Areas of dense fog after 4am. Otherwise, clear, with a low around 33. Calm wind.
M.L.King Day
Areas of dense fog before 10am. Otherwise, sunny, with a high near 55. Calm wind.
Monday Night
Areas of dense fog after 4am. Otherwise, partly cloudy, with a low around 33. Calm wind.
Tuesday
Areas of dense fog before 10am. Otherwise, mostly sunny, with a high near 52. Calm wind.
Tuesday Night
Areas of dense fog after 5am. Otherwise, partly cloudy, with a low around 33. Calm wind.
Wednesday
Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
Mostly cloudy, with a high near 48.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 38.
Friday
A chance of rain. Mostly cloudy, with a high near 48.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 37.
Saturday
A chance of rain and snow. Partly sunny, with a high near 47.
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 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Issaquah WA
 47.54°N 122.05°W (Elev. 200 ft)
7:01 pm PST Jan 18, 2026
7pm PST Jan 18, 2026-6pm PST Jan 25, 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