Severe Thunderstorm and Heavy Rain Threat Along the East Coast

Severe thunderstorms capable of widespread damaging winds and a few tornadoes will shift across the Mid-Atlantic and Southeast states today and tonight. Heavy rainfall and a risk of flash flooding is also present as tropical moisture streams north along the East Coast. The highest threat exists from the Carolinas into New England. Read More >

Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Light Rain Fog/Mist

69°F

21°C

Humidity 90%
Wind Speed SE 10 mph
Barometer 29.64 in (1003.4 mb)
Dewpoint 66°F (19°C)
Visibility 2.50 mi
Last update 19 Apr 4:53 pm EDT
Extended Forecast for

Columbia PA

Flash Flood Watch until April 20, 11:00am
Click here for hazard details and duration
Flash Flood Watch
  •  
    Flash Flood Watch until April 20, 11:00am

    NOW until
    11:00am Sat

    Flash Flood Watch

  • This
    Afternoon

    This Afternoon: Occasional showers and possibly a thunderstorm before 5pm, then a chance of showers and thunderstorms after 5pm. Some of the storms could produce gusty winds and heavy rain.  Steady temperature around 67. South wind around 14 mph.  Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    High: 67 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Some storms could be severe, with damaging winds and heavy rain.  Low around 64. South wind around 14 mph, with gusts as high as 28 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Severe
    Thunderstorms

    Low: 64 °F

  • Saturday

    Saturday: A chance of showers, mainly before 2pm.  Mostly cloudy, with a high near 70. South wind 11 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers

    High: 70 °F

  • Saturday
    Night

    Saturday Night: A slight chance of showers.  Mostly cloudy, with a low around 51. South wind 3 to 8 mph.  Chance of precipitation is 20%.

    Slight Chance
    Showers

    Low: 51 °F

  • Sunday

    Sunday: Showers likely.  Mostly cloudy, with a high near 61. South wind 3 to 5 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Showers
    Likely

    High: 61 °F

  • Sunday
    Night

    Sunday Night: Showers likely.  Mostly cloudy, with a low around 50. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Showers
    Likely

    Low: 50 °F

  • Monday

    Monday: A chance of showers.  Partly sunny, with a high near 67. Chance of precipitation is 30%.

    Chance
    Showers

    High: 67 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 53.

    Partly Cloudy

    Low: 53 °F

Detailed Forecast

This Afternoon
Occasional showers and possibly a thunderstorm before 5pm, then a chance of showers and thunderstorms after 5pm. Some of the storms could produce gusty winds and heavy rain. Steady temperature around 67. South wind around 14 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Some storms could be severe, with damaging winds and heavy rain. Low around 64. South wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 70. South wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 51. South wind 3 to 8 mph. Chance of precipitation is 20%.
Sunday
Showers likely. Mostly cloudy, with a high near 61. South wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 56.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly sunny, with a high near 68. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 72.
Click Map For Forecast
Point Forecast:
Columbia PA
 40.04°N 76.51°W (Elev. 299 ft)
4:31 pm EDT Apr 19, 2019
4pm EDT Apr 19, 2019-6pm EDT Apr 26, 2019
 
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Additional Resources

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