Heavy Rain in the Southern Appalachians; Heat Continues in the West; Monitoring Tropical Storm Erin

Heavy to excessive rain falling over the southern Appalachians may bring areas of flooding into Wednesday. Hot temperatures are in place through Wednesday across parts of the western U.S. and New England. Tropical Storm Erin is forecast to become a Hurricane by late this week as it moves westward across the central Atlantic Ocean. Monitor forecasts for any Puerto Rico or U.S. East Coast impacts. Read More >

Current conditions at

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Fog/Mist

72°F

22°C

Humidity	100%
Wind Speed	Calm
Barometer	29.96 in
Dewpoint	72°F (22°C)
Visibility	1.75 mi
Last update	13 Aug 6:15 am EDT

More Information:

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

Extended Forecast for

Malvern PA

Today
High: 90 °F
Patchy Fog
then Chance
T-storms
Tonight
Low: 71 °F
Heavy Rain
and Patchy
Fog
Thursday
High: 88 °F
Chance
Showers then
Chance
T-storms
Thursday Night
Low: 69 °F
Chance
T-storms then
Mostly Clear
Friday
High: 88 °F
Sunny
Friday Night
Low: 68 °F
Partly Cloudy
Saturday
High: 87 °F
Mostly Sunny
Saturday Night
Low: 67 °F
Mostly Clear
Sunday
High: 90 °F
Sunny

Detailed Forecast

Today

A chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely before 5am, then a chance of showers. Some of the storms could produce heavy rainfall. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 88. Calm wind becoming northwest around 5 mph in the afternoon. 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 thunderstorms before 8pm. Partly cloudy, with a low around 69. Calm wind. 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 88. Northeast wind around 5 mph.

Friday Night

Partly cloudy, with a low around 68.

Saturday

Mostly sunny, with a high near 87.

Saturday Night

Mostly clear, with a low around 67.

Sunday

Sunny, with a high near 90.

Sunday Night

Partly cloudy, with a low around 68.