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.

Mostly Cloudy

46°F

8°C

Humidity	87%
Wind Speed	N 11 MPH
Barometer	30.13 in (1020.32 mb)
Dewpoint	43°F (6°C)
Visibility	10.00 mi
Wind Chill	41°F (5°C)
Last update	20 Mar 09:55 PM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Seatac WA

Flood Watch March 20, 10:24pm until March 21, 05:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch March 20, 10:24pm until March 21, 05:00pm
NOW until 5:00pm Sat
Flood Watch
Tonight
Low: 40 °F
Chance Rain
Saturday
High: 49 °F
Slight Chance
Rain then
Partly Sunny
Saturday Night
Low: 37 °F
Slight Chance
Rain/Snow
Sunday
High: 52 °F
Slight Chance
Rain/Snow
then Partly
Sunny
Sunday Night
Low: 38 °F
Mostly Cloudy
Monday
High: 53 °F
Mostly Cloudy
Monday Night
Low: 41 °F
Chance Rain
Tuesday
High: 53 °F
Rain

Detailed Forecast

Tonight

A chance of rain before 4am, then a slight chance of rain after 5am. Mostly cloudy, with a low around 40. East northeast wind around 7 mph. Chance of precipitation is 30%.

Saturday

A 20 percent chance of rain before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 49. North northeast wind 3 to 5 mph.

Saturday Night

A slight chance of rain before 11pm, then a slight chance of rain and snow. Partly cloudy, with a low around 37. Light and variable wind becoming south around 6 mph in the evening. Chance of precipitation is 20%.

Sunday

A slight chance of rain and snow before 11am. Partly sunny, with a high near 52. South wind around 6 mph becoming west southwest in the afternoon. Chance of precipitation is 20%.

Sunday Night

Mostly cloudy, with a low around 38. North northeast wind 3 to 6 mph.

Monday

Mostly cloudy, with a high near 53.

Monday Night

A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 41.

Tuesday

Rain. Cloudy, with a high near 53.

Tuesday Night

Rain. Mostly cloudy, with a low around 41.

Wednesday

Rain. Mostly cloudy, with a high near 51.