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 >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

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

NA

47°F

8°C

Humidity 80%
Wind Speed NNE 5 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 41°F (5°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 21 Mar 12:30 AM PDT
Extended Forecast for

4 Miles SW Duvall WA

Flood Watch March 21, 01:25am until March 21, 05:00pm
Flood Warning March 21, 01:25am until March 22, 12:55pm
Click here for hazard details and duration
Flood Watch
Flood Warning
  •  
    Flood Watch March 21, 01:25am until March 21, 05:00pm
    Flood Warning March 21, 01:25am until March 22, 12:55pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain between 8am and 9am.  Partly sunny, with a high near 47. North wind around 5 mph becoming calm  in the morning.

    High: 47 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of rain and snow before 11am, then a slight chance of rain.  Partly sunny, with a high near 51. Light and variable wind.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 51 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34. Light and variable wind.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain after 11pm.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain.  Cloudy, with a high near 52.

    High: 52 °F

    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. North wind 3 to 5 mph.
Saturday
A 20 percent chance of rain between 8am and 9am. Partly sunny, with a high near 47. North wind around 5 mph becoming calm in the morning.
Saturday Night
Partly cloudy, with a low around 36. Calm wind becoming south southeast around 5 mph after midnight.
Sunday
A chance of rain and snow before 11am, then a slight chance of rain. Partly sunny, with a high near 51. Light and variable wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday Night
Mostly cloudy, with a low around 34. Light and variable wind.
Monday
Partly sunny, with a high near 51.
Monday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 40.
Tuesday
Rain. Cloudy, with a high near 52.
Tuesday Night
Rain. Cloudy, with a low around 39.
Wednesday
Rain. Cloudy, with a high near 50.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 36.
Thursday
A chance of rain. Partly sunny, with a high near 51.
Thursday Night
A chance of rain. Partly cloudy, with a low around 34.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Duvall WA
 47.69°N 122.03°W (Elev. 558 ft)
11:27 pm PDT Mar 20, 2026
1am PDT Mar 21, 2026-6pm PDT Mar 27, 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