Strong to Severe Thunderstorms in the East; Heat in the Central and Western U.S.

Strong to potentially severe thunderstorms with damaging wind gusts are forecast Thursday from parts of New England into the Mid Atlantic and Carolinas. Significant heat will expand across the West and Central Plains through Friday, potentially breaking daily high temperature records. Dangerous heat will then build into the Eastern U.S. this weekend through much of next week. Read More >

Hazardous Weather Conditions

Current conditions at

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Fair

79°F

26°C

Humidity 79%
Wind Speed SW 5 mph
Barometer 29.88 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 18 Jun 8:35 pm EDT
Extended Forecast for

Cheyney PA

Heat Advisory June 18, 08:52pm until June 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 18, 08:52pm until June 19, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • Tonight

    Low: 70 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Juneteenth

    Juneteenth: Showers and thunderstorms likely, mainly between 4pm and 5pm.  Sunny, with a high near 90. Southwest wind 5 to 15 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Sunny then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 65. Southwest wind around 10 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    T-storms
    Likely then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 82. Northwest wind around 10 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. West wind around 5 mph.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Saturday Night

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

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 70. Southwest wind around 5 mph. Chance of precipitation is 20%.
Juneteenth
Showers and thunderstorms likely, mainly between 4pm and 5pm. Sunny, with a high near 90. Southwest wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 65. Southwest wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 82. Northwest wind around 10 mph.
Friday Night
Mostly clear, with a low around 65. West wind around 5 mph.
Saturday
Sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Cheyney PA
 39.93°N 75.54°W (Elev. 302 ft)
6:16 pm EDT Jun 18, 2025
8pm EDT Jun 18, 2025-6pm EDT Jun 25, 2025
 
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Additional Resources

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