Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Fair

71°F

22°C

Humidity	95%
Wind Speed	W 3 mph
Barometer	30.09 in
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	14 Aug 10:15 pm EDT

More Information:

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

Extended Forecast for

Downingtown PA

Tonight
Low: 65 °F
Mostly Clear
Saturday
High: 86 °F
Sunny
Saturday Night
Low: 66 °F
Partly Cloudy
Sunday
High: 81 °F
Chance
Showers then
Showers
Sunday Night
Low: 68 °F
Showers
Monday
High: 86 °F
Slight Chance
T-storms
Monday Night
Low: 64 °F
Mostly Clear
Tuesday
High: 84 °F
Sunny
Tuesday Night
Low: 64 °F
Mostly Clear

Detailed Forecast

Tonight

Mostly clear, with a low around 65. Calm wind.

Saturday

Sunny, with a high near 86. Northeast wind around 5 mph.

Saturday Night

Partly cloudy, with a low around 66. Calm wind.

Sunday

A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 81. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

Showers and possibly a thunderstorm before 2am, then a slight chance of showers. Low around 68. South wind 5 to 10 mph becoming southwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Monday

A slight chance of showers, with thunderstorms also possible after 8am. Mostly sunny, with a high near 86. Chance of precipitation is 20%.

Monday Night

Mostly clear, with a low around 64.

Tuesday

Sunny, with a high near 84.

Tuesday Night

Mostly clear, with a low around 64.

Wednesday

Sunny, with a high near 87.

Wednesday Night

A chance of showers. Partly cloudy, with a low around 69. Chance of precipitation is 30%.