Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

EW6690 Maple Valley (E6690)

Lat: 47.442°NLon: 122.01433°WElev: 742.16ft.

NA

41°F

5°C

Humidity 92%
Wind Speed SE 0 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 39°F (4°C)
Visibility NA
Last update 15 Apr 02:03 PM PDT
Extended Forecast for

Issaquah WA

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm.  High near 51. West wind around 5 mph.  Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 51 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 11pm, then a slight chance of showers between 11pm and midnight.  Patchy frost after 2am. Low around 36. Calm wind.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 36 °F

    Showers then
    Patchy Frost

  • Thursday

    Thursday: Patchy frost before 8am.  Otherwise, mostly sunny, with a high near 57. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 57 °F

    Patchy Frost
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40. Light south wind.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 59. Calm wind.

    High: 59 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 67.

    High: 67 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A slight chance of rain after 11pm.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A slight chance of rain.  Mostly cloudy, with a high near 69.

    High: 69 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 51. West wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 11pm, then a slight chance of showers between 11pm and midnight. Patchy frost after 2am. Low around 36. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Patchy frost before 8am. Otherwise, mostly sunny, with a high near 57. Calm wind becoming south southwest around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 40. Light south wind.
Friday
Mostly sunny, with a high near 59. Calm wind.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
Mostly cloudy, with a high near 67.
Saturday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 47.
Sunday
A slight chance of rain. Mostly cloudy, with a high near 69.
Sunday Night
Mostly cloudy, with a low around 47.
Monday
Partly sunny, with a high near 71.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 50.
Tuesday
A chance of rain. Partly sunny, with a high near 67.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Issaquah WA
 47.54°N 122.05°W (Elev. 200 ft)
2:10 pm PDT Apr 15, 2026
2pm PDT Apr 15, 2026-6pm PDT Apr 21, 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