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 >

Hazardous Weather Conditions

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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 Index	27°C (80°F)
Last update	22 Jul 5:51 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

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

Chance
Showers
Low: 24 °C
Monday

Heavy Rain
High: 28 °C
Monday
Night

Severe
Thunderstorms
and Patchy
Fog
Low: 21 °C
Tuesday

Severe
Thunderstorms
High: 22 °C
Tuesday
Night

Chance
Showers and
Patchy Fog
Low: 20 °C
Wednesday

Mostly Sunny
High: 27 °C
Wednesday
Night

Partly Cloudy
Low: 21 °C
Thursday

Sunny
High: 28 °C
Thursday
Night

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.