Heavy Rain and Flooding Threat in the Ohio Valley

Gulf moisture will combine with a cold front and will bring heavy rain and scattered flash flooding over parts of the Mid-South into the Ohio Valley through the morning and the Ohio Valley and Central Appalachians on Tuesday. Showers and thunderstorms, some severe, are expected over the Southern Rockies/Southern High Plains on Tuesday. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Fog/Mist

61°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 61°F (16°C)
Visibility 1.25 mi
Last update 7 Oct 7:55 am EDT
Extended Forecast for

South Coatesville PA

  • Today

    Today: Mostly sunny, with a high near 79. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers likely, then showers and possibly a thunderstorm after 2am.  Low around 59. South wind 5 to 10 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 8am, then showers likely between 8am and 2pm.  High near 67. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 67 °F

    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42. North wind 5 to 10 mph.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 60. North wind 5 to 10 mph.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy frost after 4am.  Otherwise, clear, with a low around 38.

    Low: 38 °F

    Clear then
    Patchy Frost

  • Friday

    Friday: Patchy frost before 8am.  Otherwise, sunny, with a high near 63.

    High: 63 °F

    Patchy Frost
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 79. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Showers likely, then showers and possibly a thunderstorm after 2am. Low around 59. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm before 8am, then showers likely between 8am and 2pm. High near 67. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Mostly clear, with a low around 42. North wind 5 to 10 mph.
Thursday
Sunny, with a high near 60. North wind 5 to 10 mph.
Thursday Night
Patchy frost after 4am. Otherwise, clear, with a low around 38.
Friday
Patchy frost before 8am. Otherwise, sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Mostly cloudy, with a low around 48.
Sunday
Partly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 48.
Columbus Day
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
South Coatesville PA
 39.96°N 75.82°W (Elev. 420 ft)
4:10 am EDT Oct 7, 2025
8am EDT Oct 7, 2025-6pm EDT Oct 13, 2025
 
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