Areas of Severe Thunderstorms and Heavy Rain Possible through the Weekend

There will be daily chances for scattered thunderstorms across portions of the Central and Eastern U.S. through the weekend, with severe thunderstorms possible in the northern Plains and Upper Midwest. Potential severe storm hazards may include large hail, damaging winds, and a few tornadoes. Storms could also produce heavy rain that may lead to isolated instances of flash flooding. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from June 28, 12:00 PM EDT until June 28, 08:00 PM EDT

Current conditions at

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Fog/Mist

61°F

16°C

Humidity	100%
Wind Speed	Calm
Barometer	30.12 in
Dewpoint	61°F (16°C)
Visibility	1.75 mi
Last update	28 Jun 4:35 am EDT

More Information:

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

Extended Forecast for

3 Miles NE Unionville PA

Heat Advisory June 28, 12:00pm until June 28, 08:00pm

Click here for hazard details and duration

Heat Advisory

Overnight
Low: 63 °F
Slight Chance
T-storms
Saturday
High: 88 °F
Chance
Showers
Saturday Night
Low: 70 °F
Showers
Likely then
Partly Cloudy
Sunday
High: 88 °F
Sunny
Sunday Night
Low: 68 °F
Partly Cloudy
Monday
High: 90 °F
Chance
Showers then
Showers
Likely
Monday Night
Low: 73 °F
Showers
Likely then
Chance
T-storms
Tuesday
High: 87 °F
Chance
T-storms then
Showers
Likely
Tuesday Night
Low: 67 °F
Showers
Likely then
Partly Cloudy

Detailed Forecast

Overnight

A slight chance of showers and thunderstorms. Cloudy, with a low around 63. Calm wind. Chance of precipitation is 20%.

Saturday

A chance of showers and thunderstorms, mainly after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers and thunderstorms likely, mainly before 11pm. Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Sunday

Sunny, with a high near 88. Northwest wind around 5 mph.

Sunday Night

Partly cloudy, with a low around 68. Calm wind.

Monday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

Tuesday

A chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.

Tuesday Night

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

Wednesday

Sunny, with a high near 86.

Wednesday Night

Mostly clear, with a low around 68.

Thursday

Mostly sunny, with a high near 87.

Thursday Night

Partly cloudy, with a low around 67.

Independence Day

Sunny, with a high near 85.