Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

Lat: 47.68528°NLon: 122.25111°WElev: 29.0ft.

NA

79°F

26°C

Humidity 60%
Wind Speed N 8 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 64°F (18°C)
Visibility NA
Heat Index81°F (27°C)
Last update 20 Aug 07:30 PM PDT
Extended Forecast for

Mountlake Terrace WA

  • Tonight

    Tonight: Mostly clear, with a low around 58. North wind 3 to 5 mph.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 78. Calm wind becoming north northwest 5 to 7 mph in the morning.

    High: 78 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A slight chance of rain before midnight, then a chance of rain after 4am.  Mostly cloudy, with a low around 60. Calm wind becoming south 5 to 7 mph after midnight.  Chance of precipitation is 30%.

    Low: 60 °F

    Chance Rain

  • Saturday

    Saturday: A 50 percent chance of rain.  Cloudy, then gradually becoming mostly sunny, with a high near 71. South wind around 8 mph.

    High: 71 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain.  Mostly cloudy, with a low around 58. South wind around 6 mph.

    Low: 58 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 58. North wind 3 to 5 mph.
Friday
Increasing clouds, with a high near 78. Calm wind becoming north northwest 5 to 7 mph in the morning.
Friday Night
A slight chance of rain before midnight, then a chance of rain after 4am. Mostly cloudy, with a low around 60. Calm wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 30%.
Saturday
A 50 percent chance of rain. Cloudy, then gradually becoming mostly sunny, with a high near 71. South wind around 8 mph.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 58. South wind around 6 mph.
Sunday
Partly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 56.
Wednesday
A slight chance of rain. Partly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Mountlake Terrace WA
 47.8°N 122.35°W (Elev. 400 ft)
11:26 am PDT Aug 20, 2026
7pm PDT Aug 20, 2026-6pm PDT Aug 27, 2026
 
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Additional Resources

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