Heavy to Excessive Rainfall for the Southwest; Thunderstorms in Florida with Flooding Possible

Tropical moisture from Priscilla will bring a multi-day thunderstorm, widespread heavy rainfall and flash flooding event across the Southwest/Four Corners region. Flash flooding will be a concern in burn scars, slot canyons, and urban areas. Widespread storms are expected in central/South Florida with some isolated flash flooding possible. Read More >

Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Fair

55°F

13°C

Humidity 51%
Wind Speed NE 12 mph
Barometer 30.47 in (1031.9 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 9 Oct 10:53 am EDT
Extended Forecast for

Cornwall PA

Frost Advisory October 9, 11:00pm until October 10, 09:00am
Click here for hazard details and duration
Frost Advisory
  • Today

    Today: Sunny, with a high near 61. North wind 9 to 11 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Areas of frost after 5am.  Otherwise, clear, with a low around 36. East wind around 6 mph.

    Low: 36 °F

    Clear then
    Areas Frost

  • Friday

    Friday: Areas of frost before 8am.  Otherwise, sunny, with a high near 65. East wind 5 to 8 mph becoming south in the afternoon.

    High: 65 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. Southeast wind 3 to 6 mph.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers after 2pm.  Partly sunny, with a high near 69. Southeast wind 5 to 8 mph.  Chance of precipitation is 20%.

    High: 69 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers, mainly after 8pm.  Mostly cloudy, with a low around 55. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 2pm.  Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 8pm.  Mostly cloudy, with a low around 51. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely

  • Columbus Day

    Columbus Day: A chance of showers.  Partly sunny, with a high near 62. Chance of precipitation is 40%.

    High: 62 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 61. North wind 9 to 11 mph.
Tonight
Areas of frost after 5am. Otherwise, clear, with a low around 36. East wind around 6 mph.
Friday
Areas of frost before 8am. Otherwise, sunny, with a high near 65. East wind 5 to 8 mph becoming south in the afternoon.
Friday Night
Partly cloudy, with a low around 46. Southeast wind 3 to 6 mph.
Saturday
A slight chance of showers after 2pm. Partly sunny, with a high near 69. Southeast wind 5 to 8 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers, mainly after 8pm. Mostly cloudy, with a low around 55. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Columbus Day
A chance of showers. Partly sunny, with a high near 62. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Cornwall PA
 40.27°N 76.41°W (Elev. 633 ft)
10:01 am EDT Oct 9, 2025
11am EDT Oct 9, 2025-6pm EDT Oct 15, 2025
 
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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