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

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

Boeing Field - King County International Airport (KBFI)

Lat: 47.54548°NLon: 122.3147°WElev: 20.0ft.

Mostly Cloudy

60°F

16°C

Humidity 69%
Wind Speed SSE 11 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 21 Apr 03:53 PM PDT
Extended Forecast for

Downtown Seattle WA

  • This Afternoon

    This Afternoon: A 50 percent chance of rain. Mostly cloudy, with a high near 60. Southwest wind around 7 mph.

    High: 60 °F

    Chance Rain

  • Tonight

    Tonight: Rain. Low around 50. East southeast wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Rain Likely
    then Rain

  • Wednesday

    Wednesday: Rain, mainly before 9am. High near 55. South southwest wind 10 to 15 mph increasing to 16 to 21 mph in the morning. Winds could gust as high as 26 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 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 48. South southwest wind 13 to 20 mph, with gusts as high as 25 mph.

    Low: 48 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 60. South southwest wind 6 to 8 mph becoming northwest in the afternoon.

    High: 60 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of rain. Mostly cloudy, with a high near 60. Southwest wind around 7 mph.
Tonight
Rain. Low around 50. East southeast wind 6 to 8 mph. 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 southwest wind 10 to 15 mph increasing to 16 to 21 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 48. South southwest wind 13 to 20 mph, with gusts as high as 25 mph.
Thursday
Partly sunny, with a high near 60. South southwest wind 6 to 8 mph becoming northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 64.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Downtown Seattle WA
 47.6°N 122.35°W (Elev. 0 ft)
Last Update:
2:15 pm PDT Apr 21, 2026
Forecast Valid:
4pm PDT Apr 21, 2026-6pm PDT Apr 28, 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