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, Seattle-Tacoma International Airport (KSEA)

Lat: 47.44472°NLon: 122.31361°WElev: 427.0ft.

Overcast

45°F

7°C

Humidity 75%
Wind Speed NNE 11 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 21 Mar 02:10 AM PDT
Extended Forecast for

Federal Way WA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 43. North northeast wind around 6 mph.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 51. North northeast wind 5 to 7 mph becoming light and variable in the morning.

    High: 51 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. North wind 5 to 7 mph becoming south in the evening.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of rain and snow before 11am. Partly sunny, with a high near 53. South wind around 6 mph becoming northwest in the afternoon. Chance of precipitation is 20%.

    High: 53 °F

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36. North northeast wind around 6 mph.

    Low: 36 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Monday Night

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

    Low: 41 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 54.

    High: 54 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 43. North northeast wind around 6 mph.
Saturday
Partly sunny, with a high near 51. North northeast wind 5 to 7 mph becoming light and variable in the morning.
Saturday Night
Mostly clear, with a low around 36. North wind 5 to 7 mph becoming south in the evening.
Sunday
A slight chance of rain and snow before 11am. Partly sunny, with a high near 53. South wind around 6 mph becoming northwest in the afternoon. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 36. North northeast wind around 6 mph.
Monday
Partly sunny, with a high near 52.
Monday Night
A 40 percent chance of rain after 11pm. Cloudy, with a low around 41.
Tuesday
Rain. Cloudy, with a high near 54.
Tuesday Night
Rain. Mostly cloudy, with a low around 40.
Wednesday
Rain. Mostly cloudy, with a high near 52.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 38.
Thursday
A chance of rain. Partly sunny, with a high near 53.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 36.
Friday
A slight chance of rain. Partly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Federal Way WA
 47.33°N 122.33°W (Elev. 390 ft)
Last Update:
11:27 pm PDT Mar 20, 2026
Forecast Valid:
2am PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
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Additional Resources

Radar & Satellite Image

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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