Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Overcast

55°F

13°C

Humidity 87%
Wind Speed S 11 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 19 Mar 01:55 PM PDT
Extended Forecast for

South Seattle WA

Flood Watch March 19, 02:28pm until March 20, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 19, 02:28pm until March 20, 05:00pm

    NOW until 5:00pm Fri

    Flood Watch

  • This Afternoon

    High: 56 °F

    Rain

  • Tonight

    Tonight: Rain.  Low around 53. South wind around 8 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Rain

  • Friday

    Friday: Rain, mainly before 3pm.  High near 56. South southwest wind 8 to 11 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 41. South southwest wind 5 to 9 mph becoming light and variable  after midnight.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Rain Likely
    then Chance
    Rain

  • Saturday

    Saturday: A 40 percent chance of rain, mainly before 11am.  Partly sunny, with a high near 50. Light east northeast wind.

    High: 50 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A slight chance of rain before 11pm, then a slight chance of rain and snow.  Partly cloudy, with a low around 38. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of rain and snow before 11am, then a slight chance of rain.  Partly sunny, with a high near 53. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 53 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Sunday Night

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

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Rain. High near 56. South wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain. Low around 53. South wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain, mainly before 3pm. High near 56. South southwest wind 8 to 11 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 41. South southwest wind 5 to 9 mph becoming light and variable after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 40 percent chance of rain, mainly before 11am. Partly sunny, with a high near 50. Light east northeast wind.
Saturday Night
A slight chance of rain before 11pm, then a slight chance of rain and snow. Partly cloudy, with a low around 38. Chance of precipitation is 20%.
Sunday
A chance of rain and snow before 11am, then a slight chance of rain. Partly sunny, with a high near 53. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday Night
Mostly cloudy, with a low around 39.
Monday
Mostly cloudy, with a high near 53.
Monday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 43.
Tuesday
Rain. Cloudy, with a high near 52.
Tuesday Night
Rain. Mostly cloudy, with a low around 42.
Wednesday
Rain. Mostly cloudy, with a high near 52.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
South Seattle WA
 47.57°N 122.28°W (Elev. 10 ft)
1:05 pm PDT Mar 19, 2026
2pm PDT Mar 19, 2026-6pm PDT Mar 25, 2026
 
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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