Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Current conditions at

Philadelphia, Northeast Philadelphia Airport (KPNE)

Lat: 40.08°NLon: 75.01°WElev: 118ft.

Overcast

71°F

22°C

Humidity 90%
Wind Speed Calm
Barometer 29.98 in (1015.2 mb)
Dewpoint 68°F (20°C)
Visibility 7.00 mi
Last update 28 Jun 6:54 am EDT
Extended Forecast for

4 Miles SW Cheltenham PA

Extreme Heat Watch July 1, 12:00pm until July 4, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
  • Today

    Today: A slight chance of showers and thunderstorms after 3pm.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 82. Calm wind becoming northeast around 5 mph in the morning.  Chance of precipitation is 20%.

    High: 82 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after midnight.  Otherwise, partly cloudy, with a low around 65. East wind around 5 mph becoming calm.

    Low: 65 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 9am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 87. Calm wind becoming east around 5 mph in the afternoon.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. South wind around 5 mph becoming calm  in the evening.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

Detailed Forecast

Today
A slight chance of showers and thunderstorms after 3pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 82. Calm wind becoming northeast around 5 mph in the morning. Chance of precipitation is 20%.
Tonight
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 65. East wind around 5 mph becoming calm.
Monday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 87. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 65. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 90. Light southwest wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny and hot, with a high near 102.
Thursday Night
Mostly clear, with a low around 80.
Friday
Sunny and hot, with a high near 102.
Friday Night
Mostly clear, with a low around 78.
Independence Day
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 99. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Cheltenham PA
 40.03°N 75.17°W (Elev. 197 ft)
4:08 am EDT Jun 28, 2026
7am EDT Jun 28, 2026-6pm EDT Jul 4, 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