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. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. Read More >

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

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

Rain

54°F

12°C

Humidity 100%
Wind Speed SSW 5 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 54°F (12°C)
Visibility 7.00 mi
Last update 20 Mar 02:00 AM PDT
Extended Forecast for

Seatac WA

Flood Watch March 20, 02:15am until March 20, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 20, 02:15am until March 20, 05:00pm

    NOW until 5:00pm Fri

    Flood Watch

  • Overnight

    Low: 52 °F

    Rain

  • Friday

    Friday: Rain, mainly before 2pm.  High near 56. South southwest wind 10 to 14 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 56 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain before 11pm, then a slight chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 40. Southwest wind 6 to 10 mph becoming east northeast in the evening.  Chance of precipitation is 30%.

    Low: 40 °F

    Chance Rain

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 11am.  Partly sunny, with a high near 50. Northeast wind around 6 mph.

    High: 50 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 11pm.  Partly cloudy, with a low around 37. North northeast wind around 8 mph becoming south in the evening.

    Low: 37 °F

    Slight Chance
    Showers

  • Sunday

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

    High: 52 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Rain. Low around 52. South southwest wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain, mainly before 2pm. High near 56. South southwest wind 10 to 14 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A chance of rain before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 40. Southwest wind 6 to 10 mph becoming east northeast in the evening. Chance of precipitation is 30%.
Saturday
A 30 percent chance of showers, mainly before 11am. Partly sunny, with a high near 50. Northeast wind around 6 mph.
Saturday Night
A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 37. North northeast wind around 8 mph becoming south in the evening.
Sunday
A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 52.
Sunday Night
Mostly cloudy, with a low around 38.
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. Mostly cloudy, with a low around 40.
Wednesday
Rain likely. Mostly cloudy, with a high near 51.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 36.
Thursday
A slight 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:
Seatac WA
 47.44°N 122.3°W (Elev. 358 ft)
1:53 am PDT Mar 20, 2026
2am 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