Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Fog/Mist

70°F

21°C

Humidity	100%
Wind Speed	Calm
Barometer	30.05 in
Dewpoint	70°F (21°C)
Visibility	5.00 mi
Last update	16 Jul 3:35 am EDT

More Information:

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

Extended Forecast for

Denville NJ

Flood Watch July 16, 03:00pm until July 17, 03:00am

Heat Advisory July 17, 10:00am until July 17, 08:00pm

Click here for hazard details and duration

Flood Watch

Heat Advisory

Overnight
Low: 71 °F
Partly Cloudy
Wednesday
High: 90 °F
Mostly Sunny
then Heavy
Rain
Wednesday Night
Low: 73 °F
Heavy Rain
then Showers
Likely
Thursday
High: 89 °F
Chance
T-storms then
Showers
Likely
Thursday Night
Low: 73 °F
Showers
Likely then
Partly Cloudy
Friday
High: 85 °F
Mostly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 64 °F
Mostly Clear
Saturday
High: 85 °F
Mostly Sunny
Saturday Night
Low: 67 °F
Partly Cloudy
then Chance
Showers

Detailed Forecast

Overnight

Partly cloudy, with a low around 71. Calm wind.

Wednesday

A chance of showers and thunderstorms, mainly after 5pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 89. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers likely before 8pm. Partly cloudy, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Friday

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%.

Friday Night

Mostly clear, with a low around 64.

Saturday

Mostly sunny, with a high near 85.

Saturday Night

A chance of showers after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

Sunday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.

Sunday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.