Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from June 18, 11:00 AM EDT until June 19, 08:00 PM EDT

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Overcast

75°F

24°C

Humidity	90%
Wind Speed	SW 6 mph
Barometer	29.95 in (1014.1 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Last update	18 Jun 9:54 am EDT

More Information:

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

Extended Forecast for

Philadelphia PA

Heat Advisory June 18, 11:00am until June 19, 08:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 88 °F
Cloudy then
T-storms
Tonight
Low: 74 °F
T-storms
Likely then
Partly Cloudy
Juneteenth
High: 93 °F
Mostly Sunny
then Severe
Thunderstorms
Thursday Night
Low: 67 °F
Severe
Thunderstorms
then Chance
Showers
Friday
High: 84 °F
Sunny
Friday Night
Low: 66 °F
Mostly Clear
Saturday
High: 89 °F
Sunny
Saturday Night
Low: 71 °F
Partly Cloudy
Sunday
High: 92 °F
Mostly Sunny

Detailed Forecast

Today

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 88. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Southwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Juneteenth

Showers and thunderstorms likely after 2pm. Some of the storms could be severe. Mostly sunny, with a high near 93. Heat index values as high as 100. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 67. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

Friday

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

Friday Night

Mostly clear, with a low around 66.

Saturday

Sunny, with a high near 89.

Saturday Night

Partly cloudy, with a low around 71.

Sunday

Mostly sunny, with a high near 92.

Sunday Night

Partly cloudy, with a low around 75.