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.

Rain

54°F

12°C

Humidity 93%
Wind Speed ESE 4 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 52°F (11°C)
Visibility 8.00 mi
Last update 20 Mar 07:00 AM PDT
Extended Forecast for

Renton WA

Flood Watch March 20, 07:23am until March 20, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 20, 07:23am until March 20, 05:00pm

    NOW until 5:00pm Fri

    Flood Watch

  • Today

    High: 58 °F

    Rain

  • Tonight

    Tonight: A chance of rain before 11pm, then a chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 41. Southwest wind 5 to 8 mph becoming light and variable  after midnight.  Chance of precipitation is 30%.

    Low: 41 °F

    Chance Rain

  • Saturday

    Saturday: A 40 percent chance of showers, mainly before 11am.  Partly sunny, with a high near 50. North northeast wind 3 to 5 mph.

    High: 50 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 38. North wind around 6 mph becoming south 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 53. South southeast wind 5 to 7 mph becoming west southwest in the afternoon.

    High: 53 °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 54.

    High: 54 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of rain after 11pm.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

Detailed Forecast

Today
Rain, mainly before 2pm. High near 58. South southwest wind 9 to 11 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
A chance of rain before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 41. Southwest wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 30%.
Saturday
A 40 percent chance of showers, mainly before 11am. Partly sunny, with a high near 50. North northeast wind 3 to 5 mph.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 38. North wind around 6 mph becoming south in the evening.
Sunday
A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 53. South southeast wind 5 to 7 mph becoming west southwest in the afternoon.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
Mostly cloudy, with a high near 54.
Monday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 43.
Tuesday
Rain. Cloudy, with a high near 54.
Tuesday Night
Rain. Mostly cloudy, with a low around 41.
Wednesday
Rain likely. Mostly cloudy, with a high near 52.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 37.
Thursday
A slight chance of rain. Partly sunny, with a high near 54.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Renton WA
 47.47°N 122.22°W (Elev. 194 ft)
1:53 am PDT Mar 20, 2026
7am 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