East Coast Flash Flood/Severe Thunderstorm Threat Monday

A cold front and waves of low pressure will slowly shift across the Mid-Atlantic and Southeast states Monday and Tuesday. Heavy thunderstorms along this front may produce heavy rain and flash flooding with the highest threat Monday from Tennessee into New England. A few strong to severe thunderstorms are also possible mainly from Northern Maryland to southern New Jersey. Read More >

Current conditions at

New York, Kennedy International Airport (KJFK)

Lat: 40.64°NLon: 73.76°WElev: 10ft.

Mostly Cloudy

26°C

78°F

Humidity 87%
Wind Speed E 6 km/h
Barometer 1010.7 mb (29.85 in)
Dewpoint 23°C (74°F)
Visibility 16 km
Heat Index27°C (80°F)
Last update 22 Jul 5:51 am EDT
Extended Forecast for

Hewlett Neck NY

Flash Flood Watch July 22, 12:00pm until July 23, 08:00am
Click here for hazard details and duration
Flash Flood Watch
  • Overnight

    Overnight: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 24. Northeast wind around 10 km/h.

    Chance
    Showers

    Low: 24 °C

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce gusty winds and heavy rain.  Mostly cloudy, with a high near 28. Northeast wind 11 to 14 km/h becoming southeast in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between 1 and 2 cm possible.

    Heavy Rain

    High: 28 °C

  • Monday
    Night

    Monday Night: Showers and possibly a thunderstorm. Some of the storms could be severe and produce heavy rainfall.  Patchy fog. Low around 21. Northwest wind around 14 km/h.  Chance of precipitation is 80%. New rainfall amounts between 2 and 3 cm possible.

    Severe
    Thunderstorms
    and Patchy
    Fog

    Low: 21 °C

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 3pm, then a chance of showers. Some of the storms could be severe.  Steady temperature around -6. North wind 14 to 18 km/h.  Chance of precipitation is 80%. New rainfall amounts between 1 and 2 cm possible.

    Severe
    Thunderstorms

    High: 22 °C

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers, mainly before 9pm.  Patchy fog.  Otherwise, mostly cloudy, with a low around 20. North wind 5 to 8 km/h.

    Chance
    Showers and
    Patchy Fog

    Low: 20 °C

  • Wednesday

    Wednesday: Mostly sunny, with a high near 27.

    Mostly Sunny

    High: 27 °C

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 21.

    Partly Cloudy

    Low: 21 °C

  • Thursday

    Thursday: Sunny, with a high near 28.

    Sunny

    High: 28 °C

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 22.

    Mostly Clear

    Low: 22 °C

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 24. Northeast wind around 10 km/h.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce gusty winds and heavy rain. Mostly cloudy, with a high near 28. Northeast wind 11 to 14 km/h becoming southeast in the afternoon. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 cm possible.
Monday Night
Showers and possibly a thunderstorm. Some of the storms could be severe and produce heavy rainfall. Patchy fog. Low around 21. Northwest wind around 14 km/h. Chance of precipitation is 80%. New rainfall amounts between 2 and 3 cm possible.
Tuesday
Showers and possibly a thunderstorm before 3pm, then a chance of showers. Some of the storms could be severe. Steady temperature around -6. North wind 14 to 18 km/h. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 cm possible.
Tuesday Night
A 30 percent chance of showers, mainly before 9pm. Patchy fog. Otherwise, mostly cloudy, with a low around 20. North wind 5 to 8 km/h.
Wednesday
Mostly sunny, with a high near 27.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
Sunny, with a high near 28.
Thursday Night
Mostly clear, with a low around 22.
Friday
Sunny, with a high near 28.
Friday Night
Mostly clear, with a low around 22.
Saturday
Sunny, with a high near 28.
Saturday Night
Mostly clear, with a low around 22.
Sunday
Sunny, with a high near 29.
Click Map For Forecast
Point Forecast:
Hewlett Neck NY
 40.61°N 73.71°W (Elev. 7 m)
3:31 am EDT Jul 22, 2019
5am EDT Jul 22, 2019-6pm EDT Jul 28, 2019
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database