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

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 >

Hazardous Weather Conditions

Current conditions at

EW6690 Maple Valley (E6690)

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

NA

51°F

11°C

Humidity 60%
Wind Speed SSW 0 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 37°F (3°C)
Visibility NA
Last update 21 Mar 03:56 PM PDT
Extended Forecast for

Maple Valley WA

Flood Warning March 21, 04:06pm until March 22, 02:00am
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning March 21, 04:06pm until March 22, 02:00am

    NOW until 2:00am Sun

    Flood Warning

  • Tonight

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33. Light north northeast wind.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 52. Light north northwest wind.

    High: 52 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A 40 percent chance of rain after 11pm. Cloudy, with a low around 41. Light and variable wind.

    Low: 41 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain. High near 53. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Rain

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 11pm, then a chance of rain after 11pm. Low around 38. Chance of precipitation is 90%.

    Low: 38 °F

    Showers then
    Chance Rain

  • Wednesday

    Wednesday: Rain. Mostly cloudy, with a high near 50.

    High: 50 °F

    Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 35. Light and variable wind.
Sunday
Partly sunny, with a high near 52. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 33. Light north northeast wind.
Monday
Increasing clouds, with a high near 52. Light north northwest wind.
Monday Night
A 40 percent chance of rain after 11pm. Cloudy, with a low around 41. Light and variable wind.
Tuesday
Rain. High near 53. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm before 11pm, then a chance of rain after 11pm. Low around 38. Chance of precipitation is 90%.
Wednesday
Rain. Mostly cloudy, with a high near 50.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 35.
Thursday
A chance of rain. Partly sunny, with a high near 51.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 33.
Friday
A slight chance of rain. Mostly sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 36.
Saturday
A slight chance of rain. Mostly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Maple Valley WA
 47.39°N 122.03°W (Elev. 433 ft)
Last Update:
2:01 pm PDT Mar 21, 2026
Forecast Valid:
4pm PDT Mar 21, 2026-6pm PDT Mar 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