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

S144TH TUKWILA (T144T)

Lat: 47.4748°NLon: 122.2704°WElev: 165.0ft.

NA

N/A

Humidity 99%
Wind Speed S 0 MPH
Barometer NA
Dewpoint N/A
Visibility 1.10 mi
Last update 05 Mar 07:45 AM PST
Extended Forecast for

Tukwila WA

Flood Watch March 20, 11:40am until March 20, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 20, 11:40am until March 20, 05:00pm

    NOW until 5:00pm Fri

    Flood Watch

  • Today

    High: 57 °F

    Rain

  • Tonight

    Tonight: A chance of rain before 3am, then a slight chance of rain after 5am.  Mostly cloudy, with a low around 41. Southwest wind 5 to 9 mph becoming light and variable.  Chance of precipitation is 30%.

    Low: 41 °F

    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 8am.  Cloudy, then gradually becoming mostly sunny, with a high near 50. Light north wind.

    High: 50 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • 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. Light and variable wind becoming south around 5 mph after midnight.  Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Rain/Snow

  • Sunday

    Sunday: A slight chance of rain and snow before 11am, then a slight chance of rain.  Partly sunny, with a high near 54. South wind around 5 mph becoming light and variable.  Chance of precipitation is 20%.

    High: 54 °F

    Slight Chance
    Rain/Snow
    then Slight
    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 54.

    High: 54 °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 57. South southwest wind 9 to 11 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of rain before 3am, then a slight chance of rain after 5am. Mostly cloudy, with a low around 41. Southwest wind 5 to 9 mph becoming light and variable. Chance of precipitation is 30%.
Saturday
A 20 percent chance of rain before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 50. Light north 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. Light and variable wind becoming south around 5 mph after midnight. Chance of precipitation is 20%.
Sunday
A slight chance of rain and snow before 11am, then a slight chance of rain. Partly sunny, with a high near 54. South wind around 5 mph becoming light and variable. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 39.
Monday
Mostly cloudy, with a high near 54.
Monday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 42.
Tuesday
Rain. Cloudy, with a high near 54.
Tuesday Night
Rain. Mostly cloudy, with a low around 42.
Wednesday
Rain. Mostly cloudy, with a high near 52.
Wednesday Night
A chance of rain. Partly cloudy, with a low around 36.
Thursday
A slight chance of rain. Mostly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
Tukwila WA
 47.47°N 122.25°W (Elev. 197 ft)
11:27 am PDT Mar 20, 2026
11am PDT Mar 20, 2026-6pm PDT Mar 26, 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