Lala Impacting Hawaii; Severe Thunderstorm and Flash Flooding Risks; Excessive Heat

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorm, heavy rainfall, and flash flooding threats continue from the Midwest to the Mid-Atlantic and across the central High Plains. Record heat continues for areas of the central/southern Plain into the Southeast Read More >

Hazardous Weather Conditions

Flash Flood Warning in effect from August 17, 01:57 AM EDT until August 17, 06:00 AM EDT

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Light Rain

68°F

20°C

Humidity	93%
Wind Speed	S 7 mph
Barometer	29.88 in (1011.0 mb)
Dewpoint	66°F (19°C)
Visibility	8.00 mi
Last update	17 Aug 1:53 am EDT

More Information:

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

Extended Forecast for

Levittown PA

Flash Flood Warning until August 17, 06:00am

Click here for hazard details and duration

Flash Flood Warning

Flash Flood Warning until August 17, 06:00am
NOW until 6:00am Mon
Flash Flood Warning
Overnight
Low: 68 °F
Showers
Monday
High: 87 °F
Chance
Showers and
Patchy Fog
then Partly
Sunny
Monday Night
Low: 71 °F
Slight Chance
T-storms then
Patchy Fog
Tuesday
High: 86 °F
Mostly Sunny
Tuesday Night
Low: 68 °F
Mostly Clear
Wednesday
High: 88 °F
Sunny
Wednesday Night
Low: 70 °F
Partly Cloudy
Thursday
High: 85 °F
Showers
Likely

Detailed Forecast

Overnight

Showers and possibly a thunderstorm, mainly before 5am, then a chance of showers and thunderstorms after 5am. Low around 68. South wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

A chance of showers before 8am, then a slight chance of showers after 4pm. Patchy fog before 11am. Otherwise, partly sunny, with a high near 87. Northwest wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Monday Night

A slight chance of showers and thunderstorms before 9pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 71. Northwest wind around 5 mph. Chance of precipitation is 20%.

Tuesday

Mostly sunny, with a high near 86. North wind around 5 mph.

Tuesday Night

Mostly clear, with a low around 68. Northwest wind around 5 mph becoming calm in the evening.

Wednesday

Sunny, with a high near 88.

Wednesday Night

Partly cloudy, with a low around 70.

Thursday

Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.