Heavy Rain with Flooding Possible in the Southwest U.S. and Upper Midwest; Heat Continues in the East

Widespread showers and thunderstorms in the Four Corners region and northern Plains into the Upper Midwest today may bring heavy to excessive rainfall with a potential for scattered instances of flash and urban flooding. Dangerous heat will continue to impact the Midwest and Ohio Valley today and peak in the Mid-Atlantic/I-95 Urban Corridor this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Trenton, Mercer County Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

85°F

29°C

Humidity	46%
Wind Speed	S 7 mph
Barometer	30.06 in (1017.3 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	21 Jun 8:53 pm EDT

More Information:

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

Extended Forecast for

Hopewell NJ

Excessive Heat Watch June 23, 06:00am until June 23, 08:00pm

Heat Advisory June 21, 09:49pm until June 23, 06:00am

Click here for hazard details and duration

Excessive Heat Watch

Heat Advisory

Heat Advisory June 21, 09:49pm until June 23, 06:00am
NOW until 6:00am Sun
Heat Advisory
Tonight
Low: 72 °F
Mostly Clear
Saturday
High: 96 °F
Sunny then
Slight Chance
T-storms
Saturday Night
Low: 72 °F
Slight Chance
T-storms
Sunday
High: 97 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 74 °F
T-storms
Likely
Monday
High: 87 °F
Chance
T-storms
Monday Night
Low: 64 °F
Mostly Clear
Tuesday
High: 89 °F
Sunny

Detailed Forecast

Tonight

Mostly clear, with a low around 72. South wind around 5 mph becoming calm.

Saturday

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Heat index values as high as 102. West wind 5 to 10 mph. Chance of precipitation is 20%.

Saturday Night

A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

Sunday

A chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 97. Heat index values as high as 105. Light southwest wind increasing to 10 to 15 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Showers and thunderstorms likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 74. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

Mostly clear, with a low around 64.

Tuesday

Sunny, with a high near 89.

Tuesday Night

Partly cloudy, with a low around 67.

Wednesday

Mostly sunny, with a high near 95.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.

Thursday

A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.