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

Renton Municipal Airport (KRNT)

Lat: 47.49509°NLon: 122.21437°WElev: 23.0ft.

Partly Cloudy

57°F

14°C

Humidity 82%
Wind Speed S 9 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 20 Mar 02:30 PM PDT
Extended Forecast for

2 Miles NNE Tukwila WA

Flood Watch March 20, 02:57pm until March 20, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 20, 02:57pm until March 20, 05:00pm

    NOW until 5:00pm Fri

    Flood Watch

  • This Afternoon

    High: 57 °F

    Chance Rain

  • Tonight

    Tonight: A chance of rain before 3am, then a slight chance of rain after 5am.  Mostly cloudy, with a low around 40. Southwest wind 5 to 9 mph becoming northeast after midnight.  Chance of precipitation is 30%.

    Low: 40 °F

    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain between 10am and 11am.  Cloudy, then gradually becoming mostly sunny, with a high near 49. Light north wind.

    High: 49 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain before 11pm, then a chance of rain and snow.  Partly cloudy, with a low around 38. Light and variable wind becoming south around 6 mph after midnight.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 38 °F

    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. South wind around 6 mph becoming west southwest in the afternoon.  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 38.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of rain after 11pm.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

Detailed Forecast

This Afternoon
A 50 percent chance of rain before 4pm. Cloudy, with a high near 57. South southwest wind 11 to 13 mph.
Tonight
A chance of rain before 3am, then a slight chance of rain after 5am. Mostly cloudy, with a low around 40. Southwest wind 5 to 9 mph becoming northeast after midnight. Chance of precipitation is 30%.
Saturday
A 20 percent chance of rain between 10am and 11am. Cloudy, then gradually becoming mostly sunny, with a high near 49. Light north wind.
Saturday Night
A slight chance of rain before 11pm, then a chance of rain and snow. Partly cloudy, with a low around 38. Light and variable wind becoming south around 6 mph after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
A chance of rain and snow before 11am, then a slight chance of rain. Partly sunny, with a high near 53. South wind around 6 mph becoming west southwest in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
Mostly cloudy, with a high near 53.
Monday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 41.
Tuesday
Rain. Cloudy, with a high near 53.
Tuesday Night
Rain. Mostly cloudy, with a low around 42.
Wednesday
Rain. Mostly cloudy, with a high near 51.
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 53.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Tukwila WA
 47.49°N 122.25°W (Elev. 246 ft)
11:27 am PDT Mar 20, 2026
2pm 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