Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

Lat: 47.44472°NLon: 122.31361°WElev: 427.0ft.

Rain

52°F

11°C

Humidity 92%
Wind Speed SSW 8 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 50°F (10°C)
Visibility 8.00 mi
Last update 20 Mar 07:05 AM PDT
Extended Forecast for

5 Miles SSE Vashon WA

Flood Watch March 20, 07:25am until March 20, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 20, 07:25am until March 20, 05:00pm

    NOW until 5:00pm Fri

    Flood Watch

  • Today

    High: 55 °F

    Rain

  • Tonight

    Tonight: A chance of rain before 2am, then a slight chance of showers after 4am.  Mostly cloudy, with a low around 41. Southwest wind 7 to 13 mph becoming east after midnight.  Chance of precipitation is 30%.

    Low: 41 °F

    Chance Rain

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 11am.  Partly sunny, with a high near 50. North wind around 6 mph becoming east in the morning.

    High: 50 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 11pm.  Partly cloudy, with a low around 38. East northeast wind around 9 mph becoming south southwest in the evening.

    Low: 38 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 11am.  Partly sunny, with a high near 52. South wind around 9 mph.

    High: 52 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of rain after 11pm.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

Detailed Forecast

Today
Rain, mainly before 2pm. High near 55. South southwest wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
A chance of rain before 2am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 41. Southwest wind 7 to 13 mph becoming east after midnight. Chance of precipitation is 30%.
Saturday
A 30 percent chance of showers, mainly before 11am. Partly sunny, with a high near 50. North wind around 6 mph becoming east in the morning.
Saturday Night
A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 38. East northeast wind around 9 mph becoming south southwest in the evening.
Sunday
A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 52. South wind around 9 mph.
Sunday Night
Mostly cloudy, with a low around 39.
Monday
Mostly cloudy, with a high near 52.
Monday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 42.
Tuesday
Rain. Cloudy, with a high near 53.
Tuesday Night
Rain. Cloudy, with a low around 41.
Wednesday
Rain. Mostly cloudy, with a high near 51.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 36.
Thursday
A chance of rain. Partly sunny, with a high near 53.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Vashon WA
 47.38°N 122.44°W (Elev. 164 ft)
1:53 am PDT Mar 20, 2026
7am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database