Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

EW6690 Maple Valley (E6690)

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

NA

69°F

21°C

Humidity 64%
Wind Speed NW 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 56°F (13°C)
Visibility NA
Last update 26 Aug 09:06 PM PDT
Extended Forecast for

Sammamish WA

  • Tonight

    Tonight: Increasing clouds, with a low around 57. Light south wind.

    Low: 57 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 73. South wind 3 to 7 mph.

    High: 73 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 56. Southwest wind around 6 mph becoming calm  in the evening.

    Low: 56 °F

    Increasing
    Clouds

  • Friday

    Friday: Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 72. Calm wind.

    High: 72 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Showers likely, mainly after 11pm.  Mostly cloudy, with a low around 54. Calm wind.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, mainly before 11am.  Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 70. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 11pm.  Partly cloudy, with a low around 51.

    Low: 51 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 57. Light south wind.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 73. South wind 3 to 7 mph.
Thursday Night
Increasing clouds, with a low around 56. Southwest wind around 6 mph becoming calm in the evening.
Friday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 72. Calm wind.
Friday Night
Showers likely, mainly after 11pm. Mostly cloudy, with a low around 54. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, mainly before 11am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 70. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 51.
Sunday
Partly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Partly sunny, with a high near 73.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
A slight chance of rain. Mostly cloudy, with a high near 70.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 53.
Wednesday
A chance of rain. Mostly cloudy, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Sammamish WA
 47.6°N 122.03°W (Elev. 463 ft)
12:55 pm PDT Aug 26, 2026
9pm PDT Aug 26, 2026-6pm PDT Sep 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database