Severe Thunderstorms and Flash Flooding Risks - Saturday, July 18th

Scattered to numerous severe thunderstorms are likely across the region on Saturday, July 18th, including a risk of flash flooding for portions of the area. View this briefing for the details regarding these hazards. Read More >

Hazardous Weather Conditions

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Smoke

80°F

27°C

Humidity	64%
Wind Speed	SW 7 mph
Barometer	30.04 in (1017.0 mb)
Dewpoint	67°F (19°C)
Visibility	3.00 mi
Heat Index	82°F (28°C)
Last update	17 Jul 9:54 pm EDT

More Information:

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

Extended Forecast for

Glen Riddle Lima PA

Flood Watch July 18, 10:00am until July 19, 02:00am

Click here for hazard details and duration

Flood Watch

Tonight
Low: 71 °F
Smoke
Saturday
High: 86 °F
Showers
Likely then
Heavy Rain
Saturday Night
Low: 69 °F
Heavy Rain
then Chance
Showers
Sunday
High: 83 °F
Becoming
Sunny
Sunday Night
Low: 62 °F
Mostly Clear
Monday
High: 82 °F
Sunny
Monday Night
Low: 67 °F
Partly Cloudy
Tuesday
High: 86 °F
Partly Sunny
then Chance
T-storms
Tuesday Night
Low: 71 °F
Showers

Detailed Forecast

Tonight

Widespread smoke, mainly before 5am. Mostly cloudy, with a low around 71. Calm wind.

Saturday

Showers and possibly a thunderstorm before 2pm, then showers and thunderstorms likely between 2pm and 4pm, then showers and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. Areas of smoke before noon. High near 86. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Saturday Night

Showers and thunderstorms before 1am, then a chance of showers between 1am and 2am. Some of the storms could produce heavy rainfall. Low around 69. South wind around 5 mph becoming west after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday

Partly sunny, then gradually becoming sunny, with a high near 83. Northwest wind around 10 mph.

Sunday Night

Mostly clear, with a low around 62. North wind around 5 mph.

Monday

Sunny, with a high near 82.

Monday Night

Partly cloudy, with a low around 67.

Tuesday

A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 50%.

Tuesday Night

A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Low around 71. Chance of precipitation is 80%.

Wednesday

Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.

Wednesday Night

A chance of thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

Thursday

Sunny, with a high near 82.

Thursday Night

Mostly clear, with a low around 64.

Friday

Sunny, with a high near 84.