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

Briefing for Flash Flood Risk through Tuesday

Showers and scattered thunderstorms with locally heavy rainfall will lead to areas of flash flooding through Tuesday. There is also potential for isolated severe thunderstorms with damaging wind gusts. See this briefing for details on these threats. Read More >

Hazardous Weather Conditions

Current conditions at

Wilmington Airport (KILG)

Lat: 39.67°NLon: 75.61°WElev: 72ft.

Overcast

78°F

26°C

Humidity 87%
Wind Speed Calm
Barometer 30.05 in (1017.6 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 14 Jul 5:51 am EDT
Extended Forecast for

Penns Grove 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 5pm. High near 87. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Slight Chance
    T-storms then
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Patchy fog between midnight and 2am. Low around 74. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 74 °F

    T-storms then
    Showers
    Likely and
    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 87. West wind around 5 mph becoming east in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Heavy Rain
    and Patchy
    Fog

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 74. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Heavy Rain
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 88. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 75 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday

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

    High: 91 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 87. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Patchy fog between midnight and 2am. Low around 74. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 87. West wind around 5 mph becoming east in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 74. South wind around 5 mph becoming calm. 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, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 88. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Penns Grove NJ
 39.72°N 75.46°W (Elev. 3 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

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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