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

EW6690 Maple Valley (E6690)

Lat: 47.442°NLon: 122.01433°WElev: 742.16ft.

NA

77°F

25°C

Humidity 58%
Wind Speed SSW 0 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 61°F (16°C)
Visibility NA
Heat Index79°F (26°C)
Last update 21 Aug 05:08 PM PDT
Extended Forecast for

Covington WA

  • Tonight

    Tonight: A 30 percent chance of rain after 5am. Mostly cloudy, with a low around 58. Calm wind becoming southwest around 5 mph after midnight.

    Low: 58 °F

    Cloudy then
    Chance Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 75. South southwest wind 3 to 6 mph.

    High: 75 °F

    Chance Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain between midnight and 2am. Increasing clouds, with a low around 56. Light and variable wind. Chance of precipitation is 20%.

    Low: 56 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 75. Calm wind.

    High: 75 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54. Light and variable wind.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of rain after 5am. Mostly cloudy, with a low around 58. Calm wind becoming southwest around 5 mph after midnight.
Saturday
A 30 percent chance of rain, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 75. South southwest wind 3 to 6 mph.
Saturday Night
A slight chance of rain between midnight and 2am. Increasing clouds, with a low around 56. Light and variable wind. Chance of precipitation is 20%.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 75. Calm wind.
Sunday Night
Mostly clear, with a low around 54. Light and variable wind.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Partly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Covington WA
 47.36°N 122.09°W (Elev. 400 ft)
Last Update:
1:55 pm PDT Aug 21, 2026
Forecast Valid:
5pm PDT Aug 21, 2026-6pm PDT Aug 28, 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