Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Partly Cloudy

87°F

31°C

Humidity 40%
Wind Speed W 10 mph
Barometer 29.90 in (1012.6 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 19 Aug 1:54 pm EDT
Extended Forecast for

2 Miles WSW Newtown Square PA

Flood Watch August 20, 12:00pm until August 21, 02:00am
Click here for hazard details and duration
Flood Watch
  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 86. West wind around 5 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 68. West wind around 5 mph becoming calm.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm.  High near 81. Calm wind becoming southeast around 5 mph in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 81 °F

    Slight Chance
    T-storms then
    Showers

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 2am.  Mostly cloudy, with a low around 63. North wind around 5 mph.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers after 2pm.  Partly sunny, with a high near 81. Northeast wind around 5 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 81 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers.  Mostly cloudy, with a low around 66. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 66 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 81. Chance of precipitation is 70%.

    High: 81 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 82. Chance of precipitation is 40%.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 86. West wind around 5 mph.
Tonight
Partly cloudy, with a low around 68. West wind around 5 mph becoming calm.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 81. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 2am. Mostly cloudy, with a low around 63. North wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A chance of showers after 2pm. Partly sunny, with a high near 81. Northeast wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 64. Chance of precipitation is 30%.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Newtown Square PA
 39.97°N 75.47°W (Elev. 299 ft)
2:16 pm EDT Aug 19, 2026
2pm EDT Aug 19, 2026-6pm EDT Aug 25, 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