National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Hazardous Weather Conditions

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Overcast

72°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 72°F (22°C)
Visibility 7.00 mi
Last update 14 Jul 5:35 am EDT
Extended Forecast for

Mountain Lakes NJ

Flood Watch July 14, 02:00pm until July 15, 02:00am
Click here for hazard details and duration
Flood Watch

  • Today

    Today: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. Patchy fog before 9am. High near 87. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 87 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Heavy
    Rain

  • Tonight

    Tonight: Showers and possibly a thunderstorm, mainly before 10pm, then a chance of showers and thunderstorms after 10pm. Some of the storms could produce heavy rainfall. Patchy fog after 10pm. Low around 71. West wind around 5 mph becoming southeast in the evening. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 71 °F

    Heavy Rain
    and Patchy
    Fog

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 85. South wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Showers
    Likely and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 91. Chance of precipitation is 60%.

    High: 91 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 74. Chance of precipitation is 60%.

    Low: 74 °F

    Showers
    Likely then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 50%.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. Patchy fog before 9am. High near 87. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Tonight
Showers and possibly a thunderstorm, mainly before 10pm, then a chance of showers and thunderstorms after 10pm. Some of the storms could produce heavy rainfall. Patchy fog after 10pm. Low around 71. West wind around 5 mph becoming southeast in the evening. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 85. South wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 91. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 74. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mountain Lakes NJ
 40.88°N 74.45°W (Elev. 404 ft)
Last Update:
4:12 am EDT Jul 14, 2025
Forecast Valid:
6am EDT Jul 14, 2025-6pm EDT Jul 20, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation