Storms and Heavy Rainfall in the Plains and Southern Appalachians; Hazardous Heat in the South and Southeast

Severe thunderstorms with heavy rainfall will be possible across the southern Appalachians through this evening. Thunderstorms are also expected from the northern/central Plains into portions of the Midwest through Tuesday, and severe storms may produce large hail and damaging wind gusts. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Philadelphia, Northeast Philadelphia Airport (KPNE)

Lat: 40.08°NLon: 75.01°WElev: 118ft.

Partly Cloudy

83°F

28°C

Humidity 70%
Wind Speed Calm
Barometer 29.80 in (1009.0 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 17 Aug 7:54 pm EDT
Extended Forecast for

Cheltenham PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 88. North wind around 5 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. Northwest wind around 5 mph becoming calm.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers after 2am.  Partly cloudy, with a low around 70. West wind around 5 mph becoming calm.  Chance of precipitation is 20%.

    Low: 70 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 86. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers.  Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers.  Partly sunny, with a high near 83. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers.  Mostly cloudy, with a low around 67. Chance of precipitation is 50%.

    Low: 67 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 71. Calm wind.
Tuesday
Sunny, with a high near 88. North wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 67. Northwest wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 70. West wind around 5 mph becoming calm. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
Saturday
Showers likely, mainly after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Sunday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Cheltenham PA
 40.04°N 75.11°W (Elev. 98 ft)
4:08 pm EDT Aug 17, 2026
8pm EDT Aug 17, 2026-6pm EDT Aug 24, 2026
 
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Additional Resources

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