Heavy Rainfall and Severe Thunderstorms in the Midwest and Ohio Valley Tuesday

Multiple rounds of severe thunderstorms appear likely Tuesday across the Midwest and Ohio Valley, with severe wind gusts in excess of 75 mph as the primary threat. Heavy to excessive rainfall may lead to considerable flash and urban flooding impacts Tuesday across portions of the Ohio Valley. A Moderate Risk (level 3 of 4) of excessive rainfall has been issued. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Fair

68°F

20°C

Humidity 100%
Wind Speed W 5 mph
Barometer 29.97 in
Dewpoint 68°F (20°C)
Visibility 8.00 mi
Last update 11 Aug 12:15 am EDT
Extended Forecast for

3 Miles W Coatesville PA

  • Overnight

    Overnight: Patchy fog between 1am and 5am.  Otherwise, partly cloudy, with a low around 69. West wind around 5 mph.

    Low: 69 °F

    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 3pm.  Patchy fog between 7am and 8am.  Otherwise, mostly sunny, with a high near 86. West wind 5 to 10 mph.  Chance of precipitation is 20%.

    High: 86 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, mainly after 7pm.  Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming northwest after midnight.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 84. Northwest wind around 5 mph.

    High: 84 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 11pm.  Partly cloudy, with a low around 66. Calm wind.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm.  Mostly sunny, with a high near 85. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers after 2am.  Partly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers before 8am.  Mostly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog between 1am and 5am. Otherwise, partly cloudy, with a low around 69. West wind around 5 mph.
Tuesday
A slight chance of showers and thunderstorms after 3pm. Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 86. West wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 84. Northwest wind around 5 mph.
Wednesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers after 2am. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Friday
A chance of showers before 8am. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
A chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Monday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Coatesville PA
 39.99°N 75.88°W (Elev. 600 ft)
10:01 pm EDT Aug 10, 2026
12am EDT Aug 11, 2026-6pm EDT Aug 17, 2026
 
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Additional Resources

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