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.

Partly Cloudy

83°F

28°C

Humidity	60%
Wind Speed	SW 9 mph
Barometer	30.11 in
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	9 Sep 3:15 pm EDT

More Information:

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

Extended Forecast for

2 Miles E Downingtown PA

Tonight
Low: 69 °F
Increasing
Clouds
Thursday
High: 84 °F
Partly Sunny
then Chance
Showers
Thursday Night
Low: 64 °F
Chance
Showers
Friday
High: 79 °F
Mostly Sunny
Friday Night
Low: 59 °F
Mostly Clear
Saturday
High: 80 °F
Partly Sunny
then Chance
Showers
Saturday Night
Low: 65 °F
Showers
Likely
Sunday
High: 82 °F
Mostly Cloudy
then Chance
Showers
Sunday Night
Low: 65 °F
Chance
Showers then
Partly Cloudy

Detailed Forecast

Tonight

Increasing clouds, with a low around 69. South wind around 10 mph, with gusts as high as 20 mph.

Thursday

A slight chance of showers, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 84. West wind around 5 mph. Chance of precipitation is 30%. 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 10pm, then a slight chance of showers between 10pm and 2am. Mostly cloudy, with a low around 64. Northwest wind around 5 mph becoming calm. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Mostly sunny, with a high near 79. Northwest wind around 5 mph.

Friday Night

Mostly clear, with a low around 59. Calm wind.

Saturday

A chance of showers after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Saturday Night

Showers likely, mainly after 8pm. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.

Sunday

A chance of showers after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 30%.

Sunday Night

A chance of showers before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

Monday

Mostly sunny, with a high near 82.

Monday Night

Partly cloudy, with a low around 63.

Tuesday

Mostly sunny, with a high near 83.