Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Overcast

72°F

22°C

Humidity 83%
Wind Speed S 7 mph
Barometer 30.01 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 27 Aug 2:35 pm EDT
Extended Forecast for

2 Miles SW Radnor Township PA

Flood Watch until August 28, 04:00am
Severe T-storm Watch until August 27, 08:00pm
Click here for hazard details and duration
Flood Watch
Severe T-storm Watch
  •  
    Flood Watch until August 28, 04:00am
    Severe T-storm Watch until August 27, 08:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 84 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a chance of showers.  Mostly cloudy, with a low around 68. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms, mainly after 4pm.  Partly sunny, with a high near 84. Calm wind becoming northwest around 5 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm.  Mostly cloudy, with a low around 66. Calm wind becoming north around 5 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 66 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. North wind around 5 mph.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 84. South wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 84. Calm wind becoming northwest around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 66. Calm wind becoming north around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 85. North wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 89.
Monday Night
Mostly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 87. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Radnor Township PA
 40°N 75.38°W (Elev. 302 ft)
4:09 am EDT Aug 27, 2026
3pm EDT Aug 27, 2026-6pm EDT Sep 3, 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