Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Hazardous Weather Conditions

Flood Watch in effect from August 27, 12:00 PM EDT until August 28, 04:00 AM EDT

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Overcast

75°F

24°C

Humidity	79%
Wind Speed	SW 3 mph
Barometer	30.04 in (1017.3 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	27 Aug 12:54 am EDT

More Information:

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

Extended Forecast for

Claymont DE

Flood Watch August 27, 12:00pm until August 28, 04:00am

Click here for hazard details and duration

Flood Watch

Overnight
Low: 70 °F
Mostly Cloudy
Thursday
High: 86 °F
Chance
T-storms then
Showers
Thursday Night
Low: 69 °F
Showers
Likely then
Chance
Showers
Friday
High: 86 °F
Chance
Showers then
Mostly Sunny
Friday Night
Low: 67 °F
Partly Cloudy
Saturday
High: 85 °F
Mostly Sunny
Saturday Night
Low: 66 °F
Mostly Clear
Sunday
High: 87 °F
Mostly Sunny
Sunday Night
Low: 71 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly cloudy, with a low around 70. South wind around 5 mph.

Thursday

Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 86. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

Thursday Night

Showers and thunderstorms likely before 2am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Friday

A chance of showers, mainly before 7am. Mostly sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

Partly cloudy, with a low around 67. Calm wind becoming north around 5 mph after midnight.

Saturday

Mostly sunny, with a high near 85.

Saturday Night

Mostly clear, with a low around 66.

Sunday

Mostly sunny, with a high near 87.

Sunday Night

Partly cloudy, with a low around 71.

Monday

Mostly sunny, with a high near 89.