Severe Thunderstorm and Tropical Storm Bertha Impacts

Numerous severe thunderstorms are expected across a broad region from the Ohio Valley to the Mid-Atlantic and Northeast States today into tonight. Swaths of damaging wind gusts are expected and some tornadoes are possible. Bertha is expected to bring tropical storm conditions to portions of the Gulf Coast from the Florida Panhandle westward to southeastern Louisiana later today and Wednesday. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Light Rain Fog/Mist Thunderstorm in Vicinity

71°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 29.75 in
Dewpoint 71°F (22°C)
Visibility 1.00 mi
Last update 21 Jul 4:55 pm EDT
Extended Forecast for

Toughkenamon PA

Flood Watch July 21, 05:04pm until July 22, 02:00am
Tornado Watch July 21, 05:04pm until July 21, 09:00pm
Flash Flood Warning until July 21, 08:30pm
Click here for hazard details and duration
Flood Watch
Tornado Watch
Flash Flood Warning
  •  
    Flood Watch July 21, 05:04pm until July 22, 02:00am
    Tornado Watch July 21, 05:04pm until July 21, 09:00pm
    Flash Flood Warning until July 21, 08:30pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 85 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms before 9pm, then showers likely and possibly a thunderstorm between 9pm and 10pm, then a chance of showers and thunderstorms after 10pm. Some of the storms could be severe.  Low around 69. Southwest wind 5 to 10 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    Severe
    Thunderstorms
    then Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly between 4pm and 5pm.  Mostly sunny, with a high near 82. West wind 5 to 10 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61. West wind around 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 78. North wind around 5 mph.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Showers and thunderstorms likely. Some of the storms could be severe. Cloudy, with a high near 85. 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 before 9pm, then showers likely and possibly a thunderstorm between 9pm and 10pm, then a chance of showers and thunderstorms after 10pm. Some of the storms could be severe. Low around 69. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 82. West wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 61. West wind around 5 mph.
Thursday
Sunny, with a high near 78. North wind around 5 mph.
Thursday Night
Clear, with a low around 58.
Friday
Sunny, with a high near 81.
Friday Night
Mostly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
A chance of showers. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Toughkenamon PA
 39.82°N 75.76°W (Elev. 367 ft)
4:08 pm EDT Jul 21, 2026
5pm EDT Jul 21, 2026-6pm EDT Jul 28, 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