Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Fair

66°F

19°C

Humidity	100%
Wind Speed	Calm
Barometer	30.24 in
Dewpoint	66°F (19°C)
Visibility	9.00 mi
Last update	9 Sep 7:55 am EDT

More Information:

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

Extended Forecast for

3 Miles S Exton PA

Today
High: 84 °F
Mostly Sunny
Tonight
Low: 71 °F
Partly Cloudy
then Slight
Chance
Showers
Thursday
High: 84 °F
Partly Sunny
then Slight
Chance
Showers
Thursday Night
Low: 64 °F
Chance
Showers
Friday
High: 78 °F
Sunny
Friday Night
Low: 59 °F
Partly Cloudy
Saturday
High: 78 °F
Partly Sunny
then Chance
Showers
Saturday Night
Low: 65 °F
Chance
Showers
Sunday
High: 81 °F
Chance
Showers

Detailed Forecast

Today

Mostly sunny, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Tonight

A slight chance of showers after 3am. Partly cloudy, with a low around 71. South wind around 10 mph. Chance of precipitation is 20%.

Thursday

A slight chance of showers between 2pm and 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 84. West wind 5 to 10 mph. Chance of precipitation is 20%.

Thursday Night

A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 64. Northwest wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Sunny, with a high near 78. North wind around 5 mph.

Friday Night

Partly cloudy, with a low around 59.

Saturday

A chance of showers after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 30%.

Saturday Night

A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.

Sunday

A chance of showers. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.

Sunday Night

Mostly cloudy, with a low around 66.