National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

84°F

29°C

Humidity 42%
Wind Speed SSW 8 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 25 Aug 05:00 PM PDT
Extended Forecast for

Renton WA

  • Tonight

    Tonight: Increasing clouds, with a low around 59. South wind 3 to 8 mph.

    Low: 59 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. Southwest wind 3 to 7 mph.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 59. South wind 3 to 6 mph.

    Low: 59 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 75. Southwest wind 5 to 9 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. West southwest wind 5 to 9 mph becoming light south after midnight.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 70.

    High: 70 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 59. South wind 3 to 8 mph.
Wednesday
Mostly sunny, with a high near 80. Southwest wind 3 to 7 mph.
Wednesday Night
Increasing clouds, with a low around 59. South wind 3 to 6 mph.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 75. Southwest wind 5 to 9 mph.
Thursday Night
Partly cloudy, with a low around 57. West southwest wind 5 to 9 mph becoming light south after midnight.
Friday
Partly sunny, with a high near 75.
Friday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 57.
Saturday
A chance of rain. Mostly cloudy, with a high near 70.
Saturday Night
Mostly cloudy, with a low around 55.
Sunday
Partly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Partly sunny, with a high near 72.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 57.
Tuesday
A chance of rain. Mostly cloudy, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Renton WA
 47.47°N 122.22°W (Elev. 194 ft)
Last Update:
12:45 pm PDT Aug 25, 2026
Forecast Valid:
5pm PDT Aug 25, 2026-6pm PDT Sep 1, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation