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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

40°F

4°C

Humidity 97%
Wind Speed SSE 0 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 39°F (4°C)
Visibility NA
Last update 15 Apr 09:08 AM PDT
Extended Forecast for

Issaquah WA

  • Today

    Today: A chance of rain and thunderstorms, then showers and possibly a thunderstorm after noon. High near 50. South southwest wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 50 °F

    Chance
    Showers then
    Showers

  • Tonight

    Tonight: Rain and thunderstorms likely before 10pm, then a slight chance of rain between 10pm and 11pm. Mostly cloudy, with a low around 35. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 35 °F

    Rain Likely
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 56. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 56 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40. West southwest wind around 5 mph becoming calm in the evening.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 58. Calm wind.

    High: 58 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain. Mostly cloudy, with a high near 67.

    High: 67 °F

    Chance Rain

Detailed Forecast

Today
A chance of rain and thunderstorms, then showers and possibly a thunderstorm after noon. High near 50. South southwest wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain and thunderstorms likely before 10pm, then a slight chance of rain between 10pm and 11pm. Mostly cloudy, with a low around 35. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 56. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 40. West southwest wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 58. Calm wind.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Partly sunny, with a high near 66.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 46.
Sunday
A chance of rain. Mostly cloudy, with a high near 67.
Sunday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 46.
Monday
A chance of rain. Partly sunny, with a high near 68.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 47.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Issaquah WA
 47.54°N 122.01°W (Elev. 515 ft)
Last Update:
1:16 am PDT Apr 15, 2026
Forecast Valid:
9am PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation