Severe Thunderstorms and Heavy Rain Across the Central US and Central Appalachians

Severe thunderstorms producing damaging winds, hail and possibly a few tornadoes are expected across parts of the central Plains and the Missouri Valley. Heavy rainfall and flash flooding is also expected in the area. Thunderstorms and heavy rain may also bring additional flooding impacts to the central Appalachians. High temperatures and critical fire weather conditions expected in the Southwest. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from June 18, 11:00 AM EDT until June 19, 08:00 PM EDT

Current conditions at

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Overcast

72°F

22°C

Humidity	78%
Wind Speed	SE 6 mph
Barometer	30.02 in
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Last update	17 Jun 2:55 pm EDT

More Information:

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

Extended Forecast for

2 Miles W Aston PA

Heat Advisory June 18, 11:00am until June 19, 08:00pm

Click here for hazard details and duration

Heat Advisory

This Afternoon
High: 78 °F
Slight Chance
T-storms
Tonight
Low: 68 °F
Chance
T-storms and
Patchy Fog
Wednesday
High: 88 °F
Chance
Showers and
Patchy Fog
then T-storms
Wednesday Night
Low: 73 °F
T-storms then
Slight Chance
Showers
Juneteenth
High: 91 °F
Sunny then
Chance
T-storms
Thursday Night
Low: 67 °F
Chance
T-storms then
Slight Chance
Showers
Friday
High: 85 °F
Sunny
Friday Night
Low: 67 °F
Partly Cloudy
Saturday
High: 89 °F
Mostly Sunny

Detailed Forecast

This Afternoon

A slight chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 78. South wind around 5 mph. Chance of precipitation is 20%.

Tonight

A chance of showers and thunderstorms, mainly before 5am. Patchy fog after 10pm. Otherwise, cloudy, with a low around 68. South wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. Patchy fog before 9am. High near 88. South wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 73. Southwest wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Juneteenth

A chance of showers and thunderstorms after 2pm. Sunny, with a high near 91. Southwest wind 5 to 15 mph. Chance of precipitation is 50%. 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 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 67. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Sunny, with a high near 85.

Friday Night

Partly cloudy, with a low around 67.

Saturday

Mostly sunny, with a high near 89.

Saturday Night

Partly cloudy, with a low around 72.

Sunday

Mostly sunny, with a high near 94.

Sunday Night

Mostly clear, with a low around 75.