National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Fair

68°F

20°C

Humidity 80%
Wind Speed Vrbl 5 mph
Barometer 29.83 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 17 Jun 8:55 am EDT
Extended Forecast for

2 Miles ENE Pomeroy PA

  • Today

    Today: A slight chance of showers between 1pm and 2pm. Mostly sunny, with a high near 81. South wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. South wind 5 to 10 mph.

    Low: 67 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 87. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Slight Chance
    Showers then
    Chance
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 65. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 81. West wind around 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers between 1pm and 2pm. Mostly sunny, with a high near 81. South wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 67. South wind 5 to 10 mph.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 87. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 65. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Juneteenth
Mostly sunny, with a high near 81. West wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Clear, with a low around 60.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 80.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Pomeroy PA
 39.97°N 75.88°W (Elev. 581 ft)
Last Update:
4:07 am EDT Jun 17, 2026
Forecast Valid:
9am EDT Jun 17, 2026-6pm EDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation