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 - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Fair

68°F

20°C

Humidity 100%
Wind Speed NW 3 mph
Barometer 29.94 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 19 Aug 7:35 am EDT
Extended Forecast for

Gwynedd PA

  • Today

    Today: Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 67. Calm wind becoming southwest around 5 mph.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm.  Partly sunny, with a high near 81. Calm wind becoming northeast around 5 mph in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely, mainly before 7pm.  Cloudy, then gradually becoming partly cloudy, with a low around 62. Calm wind becoming north around 5 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 62 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 83. North wind around 5 mph.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms after 2am.  Partly cloudy, with a low around 64. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers.  Mostly cloudy, with a high near 81. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers.  Mostly cloudy, with a low around 65. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 83. Chance of precipitation is 30%.

    High: 83 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 67. Calm wind becoming southwest around 5 mph.
Thursday
Showers and thunderstorms likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 81. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely, mainly before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 62. Calm wind becoming north around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Mostly sunny, with a high near 83. North wind around 5 mph.
Friday Night
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 64. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Gwynedd PA
 40.21°N 75.25°W (Elev. 397 ft)
4:20 am EDT Aug 19, 2026
7am EDT Aug 19, 2026-6pm EDT Aug 25, 2026
 
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Additional Resources

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