Dangerous Heat and Humidity Today through Saturday

Dangerously hot and humid conditions are expected to build starting today through Saturday. Additionally, there will be a threat of thunderstorms on some of the days. View this briefing for details. Read More >

Hazardous Weather Conditions

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

A Few Clouds

90°F

32°C

Humidity	69%
Wind Speed	Vrbl 5 mph
Barometer	30.03 in
Dewpoint	78°F (26°C)
Visibility	9.00 mi
Heat Index	105°F (41°C)
Last update	1 Jul 1:15 pm EDT

More Information:

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

Extended Forecast for

2 Miles NW Rising Sun MD

Extreme Heat Warning until July 4, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning until July 4, 08:00pm
NOW until 8:00pm Sat
Extreme Heat Warning
This Afternoon
High: 96 °F
Isolated
T-storms
Tonight
Low: 75 °F
Isolated
T-storms then
Mostly Clear
Thursday
High: 101 °F
Hot
Thursday Night
Low: 78 °F
Clear
Friday
High: 102 °F
Hot
Friday Night
Low: 76 °F
Slight Chance
T-storms
Independence Day
High: 99 °F
Sunny then
Chance
T-storms
Saturday Night
Low: 73 °F
Chance
T-storms

Detailed Forecast

This Afternoon

Isolated showers and thunderstorms after 3pm. Mostly sunny, with a high near 96. Heat index values as high as 106. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.

Tonight

Isolated showers and thunderstorms before 9pm. Mostly clear, with a low around 75. South wind 5 to 10 mph. Chance of precipitation is 20%.

Thursday

Sunny and hot, with a high near 101. Heat index values as high as 109. West wind 5 to 10 mph.

Thursday Night

Clear, with a low around 78. Southwest wind around 5 mph becoming calm in the evening.

Friday

Sunny and hot, with a high near 102. Light northwest wind becoming west 5 to 10 mph in the morning.

Friday Night

A slight chance of showers and thunderstorms before 2am. Mostly clear, with a low around 76. Chance of precipitation is 20%.

Independence Day

A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 99. Chance of precipitation is 30%.

Saturday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.

Sunday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 95. Chance of precipitation is 50%.

Sunday Night

A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

Monday

A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%.

Monday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

Tuesday

A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.