Hazardous Weather Conditions

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Fair

84°F

29°C

Humidity 58%
Wind Speed W 6 mph
Barometer 30.03 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 20 May 11:55 am EDT
Extended Forecast for

2 Miles NNW West Chester PA

Heat Advisory May 20, 12:02pm until May 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory May 20, 12:02pm until May 20, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 91 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 5am, then a chance of showers.  Low around 54. North wind around 5 mph.  Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 54 °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, with a low around 50. East wind around 5 mph becoming calm.

    Low: 50 °F

    Mostly Cloudy

  • 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 of less than a tenth 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 49. Chance of precipitation is 80%.

    Low: 49 °F

    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 91. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 5am, then a chance of showers. Low around 54. North wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters 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, with a low around 50. East wind around 5 mph becoming calm.
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 of less than a tenth 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 49. Chance of precipitation is 80%.
Sunday
Showers, mainly before 8am. High near 63. Chance of precipitation is 80%.
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. Partly sunny, with a high near 78. Chance of precipitation is 30%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW West Chester PA
 39.99°N 75.62°W (Elev. 400 ft)
10:00 am EDT May 20, 2026
12pm EDT May 20, 2026-6pm EDT May 26, 2026
 
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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