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 - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Fair

73°F

23°C

Humidity 92%
Wind Speed E 3 mph
Barometer 30.13 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 29 Jun 9:55 am EDT
Extended Forecast for

Conshohocken 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: Mostly sunny, with a high near 88. Calm wind becoming east around 5 mph.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy during the early evening, then becoming clear, with a low around 66. South wind around 5 mph becoming calm  after midnight.

    Low: 66 °F

    Clear

  • Tuesday

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

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 2am.  Mostly clear, with a low around 71. South wind 5 to 10 mph.  Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. Southwest wind 5 to 10 mph.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Thursday

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

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 79.

    Low: 79 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 103.

    High: 103 °F

    Hot

Detailed Forecast

Today
Mostly sunny, with a high near 88. Calm wind becoming east around 5 mph.
Tonight
Mostly cloudy during the early evening, then becoming clear, with a low around 66. South wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 90. Light southwest wind increasing to 5 to 10 mph in the morning.
Tuesday Night
A slight chance of showers and thunderstorms before 2am. Mostly clear, with a low around 71. South wind 5 to 10 mph. Chance of precipitation is 20%.
Wednesday
Sunny and hot, with a high near 97. Southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny and hot, with a high near 102.
Thursday Night
Mostly clear, with a low around 79.
Friday
Sunny and hot, with a high near 103.
Friday Night
Partly cloudy, with a low around 78.
Independence Day
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 100. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Conshohocken PA
 40.09°N 75.31°W (Elev. 118 ft)
4:07 am EDT Jun 29, 2026
10am EDT Jun 29, 2026-6pm EDT Jul 5, 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