Briefing for Heat, Severe Storm, and Flash Flood Risks through Thursday

Dangerously hot and humid conditions are expected through Wednesday. There is also a threat of isolated severe thunderstorms on Wednesday. Flash flooding from locally heavy rainfall is possible on Thursday. See this briefing for details on these hazards. Read More >

Hazardous Weather Conditions

Current conditions at

Caldwell, Essex County Airport (KCDW)

Lat: 40.88°NLon: 74.28°WElev: 171ft.

Fair

94°F

34°C

Humidity	46%
Wind Speed	W 9 mph
Barometer	29.98 in (1015.6 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	100°F (38°C)
Last update	30 Jul 12:53 pm EDT

More Information:

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

Extended Forecast for

Boonton NJ

Heat Advisory July 30, 01:17pm until July 30, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 30, 01:17pm until July 30, 08:00pm
NOW until 8:00pm Wed
Heat Advisory
This Afternoon
High: 98 °F
Slight Chance
T-storms
Tonight
Low: 72 °F
Slight Chance
T-storms
Thursday
High: 82 °F
Chance
T-storms then
Heavy Rain
Thursday Night
Low: 62 °F
Heavy Rain
Friday
High: 69 °F
Showers
Friday Night
Low: 58 °F
Chance
Showers
Saturday
High: 79 °F
Sunny
Saturday Night
Low: 58 °F
Mostly Clear

Detailed Forecast

This Afternoon

A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 98. Heat index values as high as 101. Southwest wind around 5 mph. Chance of precipitation is 20%.

Tonight

A slight chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 72. Northwest wind around 5 mph becoming calm. Chance of precipitation is 20%.

Thursday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 82. Northeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 62. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Friday

Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. High near 69. Northeast wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Friday Night

A chance of showers, mainly before 8pm. Partly cloudy, with a low around 58. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

Sunny, with a high near 79.

Saturday Night

Mostly clear, with a low around 58.

Sunday

Sunny, with a high near 83.

Sunday Night

Mostly clear, with a low around 60.

Monday

Sunny, with a high near 85.

Monday Night

Partly cloudy, with a low around 62.