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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Partly Cloudy

63°F

17°C

Humidity 77%
Wind Speed SSW 5 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 23 Aug 02:53 AM PDT
Extended Forecast for

3 Miles NW Issaquah WA

  • Overnight

    Overnight: A slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 60. Light south wind. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers between 9am and 11am. Partly sunny, with a high near 77. Light and variable wind. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. Light north northeast wind.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Patchy smoke after 1pm. Sunny, with a high near 82. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 82 °F

    Sunny then
    Patchy Smoke

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. North wind 5 to 7 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 60. Light south wind. Chance of precipitation is 20%.
Sunday
A slight chance of showers between 9am and 11am. Partly sunny, with a high near 77. Light and variable wind. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 55. Light north northeast wind.
Monday
Patchy smoke after 1pm. Sunny, with a high near 82. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 57. North wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Partly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 54.
Saturday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Issaquah WA
 47.55°N 122.08°W (Elev. 200 ft)
Last Update:
11:26 pm PDT Aug 22, 2026
Forecast Valid:
3am PDT Aug 23, 2026-6pm PDT Aug 29, 2026
 
Forecast Discussion
 
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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