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

Extreme Heat Warning until July 4, 08:00 PM EDT

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Fair

73°F

23°C

Humidity	100%
Wind Speed	Calm
Barometer	29.98 in
Dewpoint	73°F (23°C)
Visibility	7.00 mi
Last update	2 Jul 5:15 am EDT

More Information:

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

Extended Forecast for

Mountain Lakes NJ

Extreme Heat Warning July 2, 05:20am until July 4, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning July 2, 05:20am until July 4, 08:00pm
NOW until 8:00pm Sat
Extreme Heat Warning
Today
High: 101 °F
Hot
Tonight
Low: 78 °F
Clear
Friday
High: 99 °F
Sunny then
Isolated
T-storms
Friday Night
Low: 75 °F
Partly Cloudy
Independence Day
High: 97 °F
Sunny then
Chance
T-storms
Saturday Night
Low: 71 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 90 °F
Partly Sunny
then Chance
T-storms
Sunday Night
Low: 66 °F
Showers
Likely

Detailed Forecast

Today

Sunny and hot, with a high near 101. Heat index values as high as 109. West wind around 5 mph.

Tonight

Clear, with a low around 78. West wind around 5 mph.

Friday

Isolated showers and thunderstorms after 3pm. Sunny and hot, with a high near 99. Heat index values as high as 106. West wind 5 to 10 mph. Chance of precipitation is 20%.

Friday Night

Partly cloudy, with a low around 75. West wind around 5 mph becoming calm in the evening.

Independence Day

A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. West wind 5 to 10 mph. Chance of precipitation is 40%. 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. Mostly cloudy, with a low around 71. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 50%.

Sunday Night

A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.

Monday

Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.

Monday Night

A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.

Tuesday

Partly sunny, with a high near 84.

Tuesday Night

Partly cloudy, with a low around 64.

Wednesday

Mostly sunny, with a high near 81.