Heavy Rainfall and Severe Thunderstorms in the Midwest and Ohio Valley Tuesday

Multiple rounds of severe thunderstorms appear likely Tuesday across the Midwest and Ohio Valley, with severe wind gusts in excess of 75 mph as the primary threat. Heavy to excessive rainfall may lead to considerable flash and urban flooding impacts Tuesday across portions of the Ohio Valley. A Moderate Risk (level 3 of 4) of excessive rainfall has been issued. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

A Few Clouds

73°F

23°C

Humidity	81%
Wind Speed	W 9 mph
Barometer	29.92 in (1013.1 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Last update	11 Aug 2:54 am EDT

More Information:

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

Extended Forecast for

Williamstown NJ

Overnight
Low: 72 °F
Patchy Fog
Tuesday
High: 89 °F
Patchy Fog
then Chance
Showers
Tuesday Night
Low: 68 °F
Chance
T-storms then
Showers
Likely
Wednesday
High: 86 °F
Slight Chance
Showers then
Slight Chance
T-storms
Wednesday Night
Low: 68 °F
Mostly Clear
then Chance
Showers
Thursday
High: 87 °F
Chance
Showers
Thursday Night
Low: 69 °F
Partly Cloudy
then Chance
Showers
Friday
High: 83 °F
Chance
Showers then
Mostly Sunny
Friday Night
Low: 62 °F
Partly Cloudy

Detailed Forecast

Overnight

Patchy fog. Otherwise, partly cloudy, with a low around 72. West wind around 5 mph.

Tuesday

A chance of showers and thunderstorms, mainly after 5pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 89. Northwest wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 68. West wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

A slight chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Northwest wind around 5 mph. Chance of precipitation is 20%.

Wednesday Night

A slight chance of thunderstorms before 8pm, then a chance of showers after 2am. Partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A chance of showers after 2am. Partly cloudy, with a low around 69. Chance of precipitation is 40%.

Friday

A chance of showers before 8am. Mostly sunny, with a high near 83. Chance of precipitation is 30%.

Friday Night

Partly cloudy, with a low around 62.

Saturday

Sunny, with a high near 83.

Saturday Night

Partly cloudy, with a low around 63.

Sunday

A chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 30%.