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

Heavy Rainfall for Portions of the West and Southern Plains; Dangerous Heat for the Northwest

Monsoonal flow coinciding with a frontal boundary will focus more showers and thunderstorms across the central Great Basin, central Rockies, Southwest into the Southern Plains. Heavy rainfall may bring about instances of flash flooding. Meanwhile, record setting heat continues for the Pacific Northwest through Monday. Heat combining with dry conditions could allow for any fires to quickly spread. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Overcast

75°F

24°C

Humidity 78%
Wind Speed Vrbl 5 mph
Barometer 29.92 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 24 Aug 3:15 pm EDT
Extended Forecast for

Modena PA

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms before 5pm. Partly sunny, with a high near 82. South wind around 10 mph. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 64. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Monday

    Monday: Patchy fog before 10am. Otherwise, sunny, with a high near 80. Northwest wind 5 to 10 mph.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. Northwest wind around 5 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. West wind 5 to 10 mph.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms before 5pm. Partly sunny, with a high near 82. South wind around 10 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 64. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
Patchy fog before 10am. Otherwise, sunny, with a high near 80. Northwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 55. Northwest wind around 5 mph.
Tuesday
Sunny, with a high near 76. West wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Modena PA
 39.96°N 75.82°W (Elev. 420 ft)
Last Update:
2:10 pm EDT Aug 24, 2025
Forecast Valid:
3pm EDT Aug 24, 2025-6pm EDT Aug 31, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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