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 >

Hazardous Weather Conditions

Flood Watch in effect from August 13, 02:00 PM EDT until August 14, 01:00 AM EDT

Current conditions at

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Mostly Cloudy

73°F

23°C

Humidity	94%
Wind Speed	S 3 mph
Barometer	29.89 in
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Last update	13 Aug 8:15 pm EDT

More Information:

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

Extended Forecast for

2 Miles NW Malvern PA

Flood Watch until August 14, 01:00am

Click here for hazard details and duration

Flood Watch

Flood Watch until August 14, 01:00am
NOW until 1:00am Thu
Flood Watch
Tonight
Low: 70 °F
Showers
Likely then
Chance
T-storms
Thursday
High: 87 °F
Chance
Showers then
Chance
T-storms
Thursday Night
Low: 68 °F
Chance
T-storms then
Mostly Clear
Friday
High: 88 °F
Sunny then
Slight Chance
Showers
Friday Night
Low: 68 °F
Partly Cloudy
Saturday
High: 88 °F
Mostly Sunny
then Slight
Chance
Showers
Saturday Night
Low: 68 °F
Mostly Clear
Sunday
High: 90 °F
Sunny

Detailed Forecast

Tonight

Showers and thunderstorms likely before 2am, then a chance of showers. 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 between 1pm and 5pm. Partly sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 40%. 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, mainly between 7pm and 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

A slight chance of showers after 2pm. Sunny, with a high near 88. Northeast wind around 5 mph. Chance of precipitation is 20%.

Friday Night

Partly cloudy, with a low around 68. East wind around 5 mph becoming calm.

Saturday

A slight chance of showers after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 20%.

Saturday Night

Mostly clear, with a low around 68.

Sunday

Sunny, with a high near 90.

Sunday Night

Partly cloudy, with a low around 67.