Severe Thunderstorm and Flash Flooding Risks from Southern Plains to Midwest; Heat Wave Developing in the Southeast

Severe thunderstorms and flash flooding will again be possible from the Southern Plains into the Midwest on Friday. Periodic risks of severe thunderstorms, along with flash flooding, are forecast from the Central and Southern Plains to the Great Lakes and Northeast into the Memorial Day weekend. Temperatures across much of the East will run above normal where they will hold into Memorial Day. Read More >

Hazardous Weather Conditions

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Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Overcast

70°F

21°C

Humidity	84%
Wind Speed	SW 9 mph
Barometer	29.90 in (1012.5 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Last update	23 May 10:54 pm EDT

More Information:

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

Extended Forecast for

Havertown PA

Severe T-storm Warning until May 24, 12:00am

Click here for hazard details and duration

Severe T-storm Warning

Severe T-storm Warning until May 24, 12:00am

NOW until
12:00am Fri

Severe T-storm Warning
Tonight

Chance
T-storms
Low: 62 °F
Friday

Sunny
High: 78 °F
Friday
Night

Mostly Clear
Low: 58 °F
Saturday

Mostly Sunny
High: 79 °F
Saturday
Night

Chance
Showers
Low: 64 °F
Sunday

Slight Chance
T-storms then
Chance
Showers
High: 87 °F
Sunday
Night

Chance
Showers
Low: 65 °F
Memorial
Day

Mostly Sunny
High: 82 °F

Detailed Forecast

Tonight

A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 62. West wind around 9 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Sunny, with a high near 78. Northwest wind 13 to 17 mph.

Friday Night

Mostly clear, with a low around 58. North wind 5 to 11 mph.

Saturday

Mostly sunny, with a high near 79. Southeast wind 5 to 8 mph becoming south in the afternoon.

Saturday Night

A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 64. South wind around 10 mph. Chance of precipitation is 30%.

Sunday

A slight chance of showers, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 87. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A chance of showers before 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

Memorial Day

Mostly sunny, with a high near 82.

Monday Night

Partly cloudy, with a low around 63.

Tuesday

Mostly sunny, with a high near 83.

Tuesday Night

Mostly cloudy, with a low around 66.

Wednesday

A chance of showers. Partly sunny, with a high near 89. Chance of precipitation is 30%.