Briefing for Flash Flood, Severe Thunderstorm, and Heat Risks through Thursday

Scattered showers and thunderstorms with locally heavy rainfall may lead to areas of flash flooding through tonight. There is potential for isolated severe thunderstorms with damaging wind gusts tonight and Thursday. Hot and very humid conditions are expected Thursday. See this briefing for details on these threats. Read More >

Hazardous Weather Conditions

Current conditions at

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Fair

82°F

28°C

Humidity	74%
Wind Speed	SW 5 mph
Barometer	29.97 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	16 Jul 7:15 pm EDT

More Information:

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

Extended Forecast for

3 Miles NNE Unionville PA

Flood Watch until July 17, 03:00am

Heat Advisory July 17, 10:00am until July 17, 08:00pm

Click here for hazard details and duration

Flood Watch

Heat Advisory

Flood Watch until July 17, 03:00am
NOW until 3:00am Thu
Flood Watch
Tonight
Low: 73 °F
Showers
Likely then
Chance
T-storms
Thursday
High: 91 °F
Chance
T-storms
Thursday Night
Low: 72 °F
Chance
T-storms then
Partly Cloudy
Friday
High: 85 °F
Mostly Sunny
Friday Night
Low: 67 °F
Partly Cloudy
Saturday
High: 85 °F
Mostly Sunny
then Chance
Showers
Saturday Night
Low: 70 °F
Showers
Likely
Sunday
High: 86 °F
Showers
Likely

Detailed Forecast

Tonight

A chance of showers and thunderstorms before 9pm, then showers likely and possibly a thunderstorm between 9pm and 11pm, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 91. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 30%.

Friday

Mostly sunny, with a high near 85. Northwest wind 5 to 10 mph.

Friday Night

Partly cloudy, with a low around 67. North wind around 5 mph becoming calm.

Saturday

A chance of showers after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Saturday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

Sunday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.

Sunday Night

Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 67. Chance of precipitation is 60%.

Monday

Mostly sunny, with a high near 84.

Monday Night

Partly cloudy, with a low around 65.

Tuesday

Mostly sunny, with a high near 85.

Tuesday Night

Partly cloudy, with a low around 66.