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

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

Lat: 47.68528°NLon: 122.25111°WElev: 29.0ft.

NA

48°F

9°C

Humidity 66%
Wind Speed NNW 2 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 37°F (3°C)
Visibility NA
Last update 21 Mar 08:30 PM PDT
Extended Forecast for

Duvall WA

Flood Warning March 21, 08:50pm until March 22, 08:00am
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning March 21, 08:50pm until March 22, 08:00am

    NOW until 8:00am Sun

    Flood Warning

  • Tonight

    Low: 36 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Sunday

    Sunday: A 10 percent chance of rain before 7am. Partly sunny, with a high near 52. Calm wind.

    High: 52 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 52. Light and variable wind.

    High: 52 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A 50 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 52. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 11pm, then rain likely after 11pm. Low around 39. Chance of precipitation is 90%.

    Low: 39 °F

    Showers

  • Wednesday

    Wednesday: Rain. Cloudy, with a high near 50.

    High: 50 °F

    Rain

Detailed Forecast

Tonight
A 20 percent chance of rain before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Light and variable wind.
Sunday
A 10 percent chance of rain before 7am. Partly sunny, with a high near 52. Calm wind.
Sunday Night
Mostly cloudy, with a low around 33. Calm wind.
Monday
Increasing clouds, with a high near 52. Light and variable wind.
Monday Night
A 50 percent chance of rain after 11pm. Cloudy, with a low around 41. Light and variable wind.
Tuesday
Rain. High near 52. 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 rain likely after 11pm. Low around 39. Chance of precipitation is 90%.
Wednesday
Rain. Cloudy, with a high near 50.
Wednesday Night
Rain, mainly before 11pm. Mostly cloudy, with a low around 36.
Thursday
A chance of rain. Partly sunny, with a high near 52.
Thursday Night
A chance of rain. Partly cloudy, with a low around 33.
Friday
A slight chance of rain. Mostly sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 36.
Saturday
A slight chance of rain. Mostly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Duvall WA
 47.74°N 121.98°W (Elev. 233 ft)
Last Update:
2:01 pm PDT Mar 21, 2026
Forecast Valid:
8pm PDT Mar 21, 2026-6pm PDT Mar 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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