Severe Thunderstorms and Heavy Rain Across the Central US and Central Appalachians

Severe thunderstorms producing damaging winds, hail and possibly a few tornadoes are expected across parts of the central Plains and the Missouri Valley. Heavy rainfall and flash flooding is also expected in the area. Thunderstorms and heavy rain may also bring additional flooding impacts to the central Appalachians. High temperatures and critical fire weather conditions expected in the Southwest. 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

77°F

25°C

Humidity	77%
Wind Speed	S 5 mph
Barometer	29.99 in (1015.3 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	17 Jun 4:54 pm EDT

More Information:

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

Extended Forecast for

Havertown PA

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

Click here for hazard details and duration

Heat Advisory

This Afternoon
High: 78 °F
Slight Chance
T-storms
Tonight
Low: 68 °F
Chance
T-storms then
Showers
Likely
Wednesday
High: 87 °F
Chance
Showers then
T-storms
Likely
Wednesday Night
Low: 72 °F
Showers
Likely then
Slight Chance
Showers
Juneteenth
High: 91 °F
Sunny then
Showers
Likely
Thursday Night
Low: 66 °F
Showers
Likely then
Chance
Showers
Friday
High: 84 °F
Sunny
Friday Night
Low: 66 °F
Partly Cloudy
Saturday
High: 89 °F
Sunny

Detailed Forecast

This Afternoon

A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 78. South wind around 5 mph. Chance of precipitation is 20%.

Tonight

Showers and thunderstorms likely, mainly before 4am. Mostly cloudy, with a low around 68. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 87. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 72. Southwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Juneteenth

Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 91. Southwest wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth 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. Mostly cloudy, with a low around 66. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Sunny, with a high near 84.

Friday Night

Partly cloudy, with a low around 66.

Saturday

Sunny, with a high near 89.

Saturday Night

Partly cloudy, with a low around 70.

Sunday

Mostly sunny, with a high near 93.

Sunday Night

Mostly clear, with a low around 74.