Dangerous Heat and Humidity Today through Saturday

Dangerously hot and humid conditions are expected to build starting today through Saturday. Additionally, there will be a threat of thunderstorms on some of the days. View this briefing for details. Read More >

Hazardous Weather Conditions

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

A Few Clouds

91°F

33°C

Humidity	63%
Wind Speed	SW 6 mph
Barometer	29.95 in
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	104°F (40°C)
Last update	1 Jul 8:45 pm EDT

More Information:

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

Extended Forecast for

Chatham NJ

Extreme Heat Warning July 1, 08:56pm until July 4, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning July 1, 08:56pm until July 4, 08:00pm
NOW until 8:00pm Sat
Extreme Heat Warning
Tonight
Low: 76 °F
Severe
Thunderstorms
Thursday
High: 103 °F
Hot
Thursday Night
Low: 80 °F
Clear
Friday
High: 101 °F
Sunny then
Slight Chance
T-storms
Friday Night
Low: 76 °F
Slight Chance
T-storms then
Slight Chance
Showers
Independence Day
High: 98 °F
Sunny then
Chance
T-storms
Saturday Night
Low: 72 °F
Chance
T-storms
Sunday
High: 93 °F
Mostly Sunny
then Chance
T-storms

Detailed Forecast

Tonight

Isolated showers and thunderstorms before 2am. Some of the storms could be severe. Partly cloudy, with a low around 76. Southwest wind around 5 mph. Chance of precipitation is 20%.

Thursday

Sunny and hot, with a high near 103. Heat index values as high as 110. West wind 5 to 10 mph.

Thursday Night

Clear, with a low around 80. West wind around 5 mph.

Friday

A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 101. Heat index values as high as 108. West wind 5 to 10 mph. Chance of precipitation is 20%.

Friday Night

A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 76. West wind 5 to 10 mph. Chance of precipitation is 20%.

Independence Day

A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 98. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.

Sunday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 93. Chance of precipitation is 50%.

Sunday Night

A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

Monday

A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 87. Chance of precipitation is 50%.

Monday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

Tuesday

Mostly sunny, with a high near 85.