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

Severe Thunderstorms and Excessive Rainfall in the Central and Southern Plains

Strong to severe thunderstorms may produce heavy to excessive rainfall over portions of the Central/Southern Plains and Mississippi Valley today. There is a Slight Risk (Level 2 of 4) for Excessive Rainfall and a Slight Risk (Level 2 of 5) for severe thunderstorms today. Elevated fire weather conditions are possible over parts of western Florida today. Read More >

Current conditions at

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Fair

75°F

24°C

Humidity 29%
Wind Speed SW 8 mph
Barometer 30.29 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 24 Apr 1:15 pm EDT
Extended Forecast for

Exton PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 78. Southwest wind 5 to 10 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. South wind around 5 mph.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 76. Light south wind increasing to 5 to 10 mph in the morning.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 2am, then showers likely between 2am and 5am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 60. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 8am, then showers between 8am and 11am, then showers and possibly a thunderstorm after 11am. High near 74. South wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 78. Southwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 51. South wind around 5 mph.
Friday
Mostly sunny, with a high near 76. Light south wind increasing to 5 to 10 mph in the morning.
Friday Night
A chance of showers and thunderstorms before 2am, then showers likely between 2am and 5am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 60. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely and possibly a thunderstorm before 8am, then showers between 8am and 11am, then showers and possibly a thunderstorm after 11am. High near 74. South wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Sunny, with a high near 66.
Sunday Night
Clear, with a low around 44.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Exton PA
 40.03°N 75.64°W (Elev. 299 ft)
Last Update:
1:09 pm EDT Apr 24, 2025
Forecast Valid:
1pm EDT Apr 24, 2025-6pm EDT Apr 30, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation