Severe Thunderstorms and Flash Flooding in the Central U.S.; A Dangerous Heatwave Coming to the West

A slow moving cold front will bring multiple rounds of widespread heavy rain, localized flash flooding, and severe thunderstorms from the central Plains into the Great Lakes through Saturday. A dangerous heatwave with record breaking and triple digit temperatures is expected this weekend into next week over the Northwest U.S. Excessive Heat Watches and Warnings have been issued. Read More >

Hazardous Weather Conditions

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

A Few Clouds

61°F

16°C

Humidity 72%
Wind Speed N 3 mph
Barometer 30.29 in (1025.7 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 25 Jun 3:54 am EDT
Extended Forecast for

Swarthmore PA

  • Today

    Today: Mostly sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.

    Mostly Sunny

    High: 81 °F

  • Tonight

    Tonight: A slight chance of showers after 2am.  Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 69. South wind 5 to 10 mph.  Chance of precipitation is 20%.

    Partly Cloudy
    then Slight
    Chance
    Showers and
    Patchy Fog

    Low: 69 °F

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm.  Patchy fog before 8am.  Otherwise, partly sunny, with a high near 86. South wind around 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers and
    Patchy Fog

    High: 86 °F

  • Saturday
    Night

    Saturday Night: Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 71. South wind 5 to 10 mph.

    Partly Cloudy
    then Patchy
    Fog

    Low: 71 °F

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after 2pm.  Patchy fog before 8am.  Otherwise, partly sunny, with a high near 90. South wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    Patchy Fog
    then Slight
    Chance
    T-storms

    High: 90 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 72.

    Partly Cloudy

    Low: 72 °F

  • Monday

    Monday: Mostly sunny, with a high near 94.

    Mostly Sunny

    High: 94 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 73.

    Partly Cloudy

    Low: 73 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 94. Chance of precipitation is 40%.

    Mostly Sunny
    then Chance
    T-storms

    High: 94 °F

Detailed Forecast

Today
Mostly sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.
Tonight
A slight chance of showers after 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 69. South wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 86. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 71. South wind 5 to 10 mph.
Sunday
A slight chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 90. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 72.
Monday
Mostly sunny, with a high near 94.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly sunny, with a high near 93. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.
Thursday
Showers likely. Partly sunny, with a high near 90. Chance of precipitation is 60%.
Click Map For Forecast
Point Forecast:
Swarthmore PA
 39.91°N 75.34°W (Elev. 197 ft)
1:30 am EDT Jun 25, 2021
4am EDT Jun 25, 2021-6pm EDT Jul 1, 2021
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database