Strong to Severe Thunderstorms in the East; Heat in the Central and Western U.S.

Strong to potentially severe thunderstorms with damaging wind gusts are forecast Thursday from parts of New England into the Mid Atlantic and Carolinas. Significant heat will expand across the West and Central Plains through Friday, potentially breaking daily high temperature records. Dangerous heat will then build into the Eastern U.S. this weekend through much of next week. Read More >

Hazardous Weather Conditions

Heat Advisory until June 19, 08:00 PM EDT

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Fog/Mist

79°F

26°C

Humidity	90%
Wind Speed	SW 8 mph
Barometer	29.86 in (1011.2 mb)
Dewpoint	76°F (24°C)
Visibility	6.00 mi
Heat Index	83°F (28°C)
Last update	18 Jun 8:54 pm EDT

More Information:

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

Extended Forecast for

Collingdale PA

Heat Advisory June 18, 09:13pm until June 19, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory June 18, 09:13pm until June 19, 08:00pm
NOW until 8:00pm Thu
Heat Advisory
Tonight
Low: 72 °F
Slight Chance
T-storms then
Mostly Clear
Juneteenth
High: 92 °F
Sunny then
T-storms
Likely
Thursday Night
Low: 68 °F
T-storms
Likely then
Partly Cloudy
Friday
High: 84 °F
Sunny
Friday Night
Low: 67 °F
Mostly Clear
Saturday
High: 89 °F
Sunny
Saturday Night
Low: 71 °F
Partly Cloudy
Sunday
High: 92 °F
Partly Sunny

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 72. Southwest wind around 5 mph. Chance of precipitation is 20%.

Juneteenth

Showers and thunderstorms likely, mainly between 4pm and 5pm. Sunny, with a high near 92. Southwest wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 68. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Sunny, with a high near 84. Northwest wind 5 to 10 mph.

Friday Night

Mostly clear, with a low around 67. West wind around 5 mph becoming calm in the evening.

Saturday

Sunny, with a high near 89.

Saturday Night

Partly cloudy, with a low around 71.

Sunday

Partly sunny, with a high near 92.

Sunday Night

Partly cloudy, with a low around 74.