Heavy Rain in the Southern Appalachians; Fire Weather and Heat in the West; Monitoring Tropical Storm Erin

Heavy to excessive rainfall over the southern Appalachians may bring areas of flooding today. Gusty winds and low relative humidity will bring critical fire weather conditions to parts of the Great Basin and northern Rockies today and Thursday. Hot to extremely hot temperatures are in place through today across parts of the western U.S. Read More >

Current conditions at

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Fog/Mist

73°F

23°C

Humidity	94%
Wind Speed	Calm
Barometer	29.96 in
Dewpoint	72°F (22°C)
Visibility	4.00 mi
Last update	13 Aug 7:35 am EDT

More Information:

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

Extended Forecast for

2 Miles E Downingtown PA

Today
High: 90 °F
Patchy Fog
then Chance
T-storms
Tonight
Low: 70 °F
Heavy Rain
and Patchy
Fog
Thursday
High: 88 °F
Chance
Showers then
Chance
T-storms
Thursday Night
Low: 68 °F
Chance
T-storms then
Mostly Clear
Friday
High: 89 °F
Sunny
Friday Night
Low: 68 °F
Partly Cloudy
Saturday
High: 87 °F
Mostly Sunny
Saturday Night
Low: 67 °F
Mostly Clear
Sunday
High: 91 °F
Mostly Sunny

Detailed Forecast

Today

A chance of showers and thunderstorms after 1pm. 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 50%. 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 70. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

A chance of showers and thunderstorms, mainly 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 68. 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 89. 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

Mostly sunny, with a high near 91.

Sunday Night

Partly cloudy, with a low around 68.