Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Hazardous Weather Conditions

Flood Watch in effect from August 27, 12:00 PM EDT until August 28, 04:00 AM EDT

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Mostly Cloudy

68°F

20°C

Humidity	95%
Wind Speed	Vrbl 3 mph
Barometer	30.01 in
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Last update	27 Aug 4:15 am EDT

More Information:

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

Extended Forecast for

Elverson PA

Flood Watch August 27, 12:00pm until August 28, 04:00am

Click here for hazard details and duration

Flood Watch

Overnight
Low: 67 °F
Chance
T-storms
Thursday
High: 83 °F
Showers
Likely then
Showers
Thursday Night
Low: 65 °F
Showers
Likely then
Chance
Showers and
Patchy Fog
Friday
High: 82 °F
Patchy Fog
then Mostly
Sunny
Friday Night
Low: 63 °F
Partly Cloudy
Saturday
High: 83 °F
Sunny
Saturday Night
Low: 64 °F
Mostly Clear
Sunday
High: 84 °F
Mostly Sunny
Sunday Night
Low: 68 °F
Partly Cloudy

Detailed Forecast

Overnight

A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 83. South wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers and thunderstorms likely before 2am, then a slight chance of showers. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Friday

Patchy fog before 8am. Otherwise, partly sunny, with a high near 82. Calm wind becoming northwest around 5 mph.

Friday Night

Partly cloudy, with a low around 63. Calm wind.

Saturday

Sunny, with a high near 83.

Saturday Night

Mostly clear, with a low around 64.

Sunday

Mostly sunny, with a high near 84.

Sunday Night

Partly cloudy, with a low around 68.