Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

A Few Clouds

79°F

26°C

Humidity	76%
Wind Speed	Vrbl 6 mph
Barometer	29.91 in
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	1 Aug 6:55 pm EDT

More Information:

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

Extended Forecast for

2 Miles WNW Coatesville PA

Tonight
Low: 68 °F
Mostly Cloudy
Sunday
High: 83 °F
Mostly Cloudy
then Showers
Likely
Sunday Night
Low: 70 °F
Showers
Monday
High: 82 °F
Showers
Monday Night
Low: 67 °F
Showers then
Chance
Showers
Tuesday
High: 82 °F
Partly Sunny
then Chance
T-storms
Tuesday Night
Low: 67 °F
Chance
T-storms then
Mostly Cloudy
Wednesday
High: 83 °F
Chance
Showers then
Showers
Likely
Wednesday Night
Low: 68 °F
Showers
Likely

Detailed Forecast

Tonight

Mostly cloudy, with a low around 68. South wind 5 to 10 mph.

Sunday

A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 83. South wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Showers and possibly a thunderstorm. Low around 70. Southeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Monday

Showers and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 82. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night

Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 67. South wind around 5 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

Wednesday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.

Wednesday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

Thursday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.

Thursday Night

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

Friday

A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 40%.

Friday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.

Saturday

A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.