National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Zeta Quickly Moving Inland; Heavy Rainfall and Flooding Possible Over Much of the Southeast and Mid Atlantic

Zeta made landfall over southeast Louisiana Wednesday afternoon. Life-threatening storm surge, damaging winds, and heavy rainfall continue over portions of the southeast states. Heavy rainfall will advance into the Appalachians, Ohio Valley, and Mid Atlantic into Thursday. This rainfall will lead to flash, urban, small stream, and minor river flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Overcast

54°F

12°C

Humidity 94%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 29 Oct 2:15 am EDT
Extended Forecast for

Atglen PA

Flood Watch October 29, 06:00am until October 30, 12:00am
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: Rain likely, mainly after 5am. Patchy fog. Otherwise, cloudy, with a low around 48. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Rain Likely
    and Patchy
    Fog

    Low: 48 °F

  • Thursday

    Thursday: Rain. The rain could be heavy at times. Patchy fog before 7am. High near 53. East wind 10 to 15 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Heavy Rain
    and Patchy
    Fog

    High: 53 °F

  • Thursday
    Night

    Thursday Night: Rain. Low around 40. Northeast wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Rain

    Low: 40 °F

  • Friday

    Friday: Rain likely, mainly before 8am. Mostly cloudy, with a high near 47. North wind 10 to 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Rain Likely
    then Chance
    Rain

    High: 47 °F

  • Friday
    Night

    Friday Night: Areas of frost after 2am. Otherwise, partly cloudy, with a low around 27. North wind 5 to 10 mph.

    Partly Cloudy
    then Areas
    Frost

    Low: 27 °F

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, sunny, with a high near 48.

    Areas Frost
    then Sunny

    High: 48 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 35.

    Partly Cloudy

    Low: 35 °F

  • Sunday

    Sunday: A chance of showers after 2pm. Partly sunny, with a high near 57. Chance of precipitation is 30%.

    Partly Sunny
    then Chance
    Showers

    High: 57 °F

  • Sunday
    Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 32. Chance of precipitation is 30%.

    Chance
    Showers then
    Mostly Clear

    Low: 32 °F

Detailed Forecast

Overnight
Rain likely, mainly after 5am. Patchy fog. Otherwise, cloudy, with a low around 48. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. The rain could be heavy at times. Patchy fog before 7am. High near 53. East wind 10 to 15 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Thursday Night
Rain. Low around 40. Northeast wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 47. North wind 10 to 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Areas of frost after 2am. Otherwise, partly cloudy, with a low around 27. North wind 5 to 10 mph.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 57. Chance of precipitation is 30%.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 32. Chance of precipitation is 30%.
Monday
Sunny, with a high near 44. Breezy.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Mostly clear, with a low around 35.
Wednesday
Sunny, with a high near 58.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Atglen PA
 39.94°N 75.97°W (Elev. 577 ft)
Last Update:
1:07 am EDT Oct 29, 2020
Forecast Valid:
3am EDT Oct 29, 2020-6pm EST Nov 4, 2020
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation