National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

EW6690 Maple Valley (E6690)

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

NA

61°F

16°C

Humidity 82%
Wind Speed SW 0 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 55°F (13°C)
Visibility NA
Last update 27 Aug 11:11 PM PDT
Extended Forecast for

Issaquah WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 75. Calm wind.

    High: 75 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Rain likely, mainly after midnight. Cloudy, with a low around 55. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Chance Rain
    then Rain
    Likely

  • Saturday

    Saturday: Rain before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of rain after 2pm. Patchy fog between 11am and noon. High near 71. South southwest wind around 5 mph becoming calm in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Showers and
    Patchy Fog
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Chance Rain
    then Mostly
    Cloudy

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 73.

    High: 73 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 57. Calm wind.
Friday
Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 75. Calm wind.
Friday Night
Rain likely, mainly after midnight. Cloudy, with a low around 55. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of rain after 2pm. Patchy fog between 11am and noon. High near 71. South southwest wind around 5 mph becoming calm in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 54. Calm wind.
Sunday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 73.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
Partly sunny, with a high near 75.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 73.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 55.
Wednesday
Rain likely. Mostly cloudy, with a high near 69.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 54.
Thursday
A chance of rain. Mostly cloudy, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Issaquah WA
 47.54°N 122.05°W (Elev. 200 ft)
Last Update:
12:56 pm PDT Aug 27, 2026
Forecast Valid:
11pm PDT Aug 27, 2026-6pm PDT Sep 3, 2026
 
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Additional Resources

Radar & Satellite Image

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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