Severe Thunderstorm and Tropical Storm Bertha Impacts

Numerous severe thunderstorms are expected across a broad region from the Ohio Valley to the Mid-Atlantic and Northeast States today into tonight. Swaths of damaging wind gusts are expected and some tornadoes are possible. Bertha is expected to bring tropical storm conditions to portions of the Gulf Coast from the Florida Panhandle westward to southeastern Louisiana later today and Wednesday. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from July 21, 10:00 AM PDT until July 22, 11:00 PM PDT

Current conditions at

Boeing Field - King County International Airport (KBFI)

Lat: 47.54548°NLon: 122.3147°WElev: 20.0ft.

Clear

88°F

31°C

Humidity	35%
Wind Speed	WNW 6 MPH
Barometer	29.92 in (1013.21 mb)
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	21 Jul 03:00 PM PDT

More Information:

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

Extended Forecast for

West Seattle WA

Heat Advisory until July 22, 11:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until July 22, 11:00pm
NOW until 11:00pm Wed
Heat Advisory
This Afternoon
High: 85 °F
Sunny
Tonight
Low: 62 °F
Mostly Clear
Wednesday
High: 87 °F
Sunny
Wednesday Night
Low: 63 °F
Mostly Cloudy
then Slight
Chance Rain
Thursday
High: 78 °F
Chance Rain
then Mostly
Sunny
Thursday Night
Low: 60 °F
Mostly Clear
Friday
High: 78 °F
Mostly Sunny
Friday Night
Low: 58 °F
Mostly Clear

Detailed Forecast

This Afternoon

Sunny, with a high near 85. North wind around 8 mph.

Tonight

Mostly clear, with a low around 62. North wind 5 to 9 mph becoming calm after midnight.

Wednesday

Sunny, with a high near 87. Light north wind increasing to 5 to 10 mph in the morning.

Wednesday Night

A 20 percent chance of rain after 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 63. North wind 5 to 14 mph becoming south southwest after midnight.

Thursday

A 30 percent chance of rain before 11am. Mostly sunny, with a high near 78. Southwest wind 10 to 14 mph.

Thursday Night

Mostly clear, with a low around 60.

Friday

Mostly sunny, with a high near 78.

Friday Night

Mostly clear, with a low around 58.

Saturday

Partly sunny, with a high near 68.

Saturday Night

Partly cloudy, with a low around 57.