Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

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

NA

53°F

12°C

Humidity 89%
Wind Speed ENE 9 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 50°F (10°C)
Visibility NA
Last update 21 Apr 08:30 PM PDT
Extended Forecast for

Mountlake Terrace WA

  • Tonight

    Tonight: Rain.  Low around 49. North northeast wind around 5 mph becoming light and variable  in the evening.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Rain Likely
    then Rain

  • Wednesday

    Wednesday: Rain, mainly before 9am.  High near 55. South wind 5 to 9 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Rain then
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly before 11pm.  Mostly cloudy, with a low around 45. South wind 8 to 10 mph.

    Low: 45 °F

    Chance Rain

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 59. South wind 5 to 7 mph becoming west northwest in the afternoon.

    High: 59 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. North northwest wind around 6 mph becoming calm  in the evening.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain. Low around 49. North northeast wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain, mainly before 9am. High near 55. South wind 5 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 45. South wind 8 to 10 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 59. South wind 5 to 7 mph becoming west northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 42. North northwest wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 64.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 44.
Monday
Mostly sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Mountlake Terrace WA
 47.78°N 122.31°W (Elev. 374 ft)
2:15 pm PDT Apr 21, 2026
9pm PDT Apr 21, 2026-6pm PDT Apr 28, 2026
 
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Additional Resources

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