Hazardous Weather Conditions

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Fair

75°F

24°C

Humidity 80%
Wind Speed NW 9 mph
Barometer 30.04 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 20 May 8:15 am EDT
Extended Forecast for

2 Miles NW Coatesville PA

Heat Advisory May 20, 08:21am until May 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory May 20, 08:21am until May 20, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Today

    High: 90 °F

    Sunny then
    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms before 5am, then a chance of showers.  Low around 53. North wind 5 to 10 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: Showers, mainly before 1pm.  High near 64. Northeast wind 5 to 10 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 64 °F

    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 49. East wind around 5 mph becoming calm  in the evening.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Showers likely, mainly after 2pm.  Mostly cloudy, with a high near 63. East wind 5 to 10 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers.  Low around 46. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Showers

  • Saturday

    Saturday: Showers.  High near 57. Chance of precipitation is 90%.

    High: 57 °F

    Showers

  • Saturday Night

    Saturday Night: Showers.  Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    Showers

Detailed Forecast

Today
Showers and thunderstorms likely, mainly between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 90. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms before 5am, then a chance of showers. Low around 53. North wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers, mainly before 1pm. High near 64. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 49. East wind around 5 mph becoming calm in the evening.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 63. East wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers. Low around 46. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers. High near 57. Chance of precipitation is 90%.
Saturday Night
Showers. Low around 48. Chance of precipitation is 80%.
Sunday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Sunday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Coatesville PA
 40.01°N 75.84°W (Elev. 499 ft)
4:07 am EDT May 20, 2026
8am EDT May 20, 2026-6pm EDT May 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

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