Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Overcast

59°F

15°C

Humidity	100%
Wind Speed	E 6 mph
Barometer	30.13 in
Dewpoint	59°F (15°C)
Visibility	9.00 mi
Last update	15 Jun 1:55 am EDT

More Information:

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

Extended Forecast for

Chatham PA

Overnight
Low: 59 °F
Chance
Showers and
Patchy Fog
Sunday
High: 69 °F
Chance
Showers and
Patchy Fog
Sunday Night
Low: 59 °F
Chance
Showers
Monday
High: 71 °F
Chance
Showers
Monday Night
Low: 60 °F
Slight Chance
T-storms then
Slight Chance
Showers
Tuesday
High: 76 °F
Mostly Cloudy
then Chance
Showers
Tuesday Night
Low: 65 °F
Chance
T-storms
Wednesday
High: 85 °F
Mostly Cloudy
then Chance
Showers
Wednesday Night
Low: 70 °F
Chance
Showers then
Partly Cloudy

Detailed Forecast

Overnight

A chance of showers, mainly after 3am. Patchy fog. Otherwise, cloudy, with a low around 59. Northeast wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Sunday

A chance of showers before 9am, then a chance of showers after 2pm. Patchy fog before 1pm. Otherwise, cloudy, with a high near 69. East wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Sunday Night

A chance of showers, mainly after 2am. Mostly cloudy, with a low around 59. East wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Monday

A chance of showers, mainly before 2pm. Cloudy, with a high near 71. East wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Monday Night

A slight chance of showers and thunderstorms. Cloudy, with a low around 60. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

Tuesday

A chance of showers after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

Wednesday

A chance of showers after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 40%.

Wednesday Night

A chance of showers before 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 30%.

Juneteenth

Showers likely after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 60%.

Thursday Night

Showers and thunderstorms likely. Partly cloudy, with a low around 66. Chance of precipitation is 60%.

Friday

Sunny, with a high near 82.