Severe Thunderstorms and Heavy Rain from the Plains to the Mid-Atlantic; Ongoing Heat in the South

Severe thunderstorms and showers pose a risk for excessive rain, localized flash flooding, strong gusts and/or large hail across portions of the northern and central Plains, the Lower Missouri to Lower Ohio Valleys, and across the Mid-Atlantic this afternoon and evening. Extreme heat is ongoing over the Desert Southwest and the Southeast U.S.. Read More >

Hazardous Weather Conditions

Flood Watch until July 10, 12:00 AM EDT

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Thunderstorm

75°F

24°C

Humidity	90%
Wind Speed	SE 7 mph
Barometer	29.88 in
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Last update	9 Jul 4:15 pm EDT

More Information:

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

Extended Forecast for

Coatesville PA

Flood Watch July 9, 04:32pm until July 10, 12:00am

Click here for hazard details and duration

Flood Watch

Flood Watch July 9, 04:32pm until July 10, 12:00am
NOW until 12:00am Fri
Flood Watch
This Afternoon
High: 82 °F
T-storms
Tonight
Low: 69 °F
T-storms
Likely then
Patchy Fog
Friday
High: 87 °F
Patchy Fog
then Chance
T-storms
Friday Night
Low: 68 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 83 °F
Chance
Showers then
Chance
T-storms
Saturday Night
Low: 65 °F
Chance
T-storms then
Partly Cloudy
Sunday
High: 84 °F
Mostly Sunny
Sunday Night
Low: 62 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Showers and thunderstorms. High near 82. Southwest wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Showers and thunderstorms likely, mainly before 8pm. Patchy fog after midnight. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Friday

A slight chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 87. West wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. West wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 83. North wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

A chance of thunderstorms before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

Mostly sunny, with a high near 84.

Sunday Night

Partly cloudy, with a low around 62.

Monday

Mostly sunny, with a high near 83.

Monday Night

Mostly clear, with a low around 62.

Tuesday

Sunny, with a high near 86.

Tuesday Night

Mostly clear, with a low around 67.