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

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

71°F

22°C

Humidity 94%
Wind Speed Vrbl 3 mph
Barometer 30.07 in (1017.5 mb)
Dewpoint 69°F (21°C)
Visibility NA
Last update 14 Jul 5:54 pm EDT
Extended Forecast for

Sparta NJ

Flood Watch July 14, 06:28pm until July 15, 02:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 14, 06:28pm until July 15, 02:00am

    NOW until 2:00am Tue

    Flood Watch

  • Tonight

    Low: 69 °F

    T-storms
    Likely then
    Scattered
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers between noon and 2pm, then a chance of showers and thunderstorms after 2pm.  Mostly cloudy, then gradually becoming sunny, with a high near 88. Calm wind.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 89. Calm wind becoming southwest around 5 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °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 between 8pm and 5am, then a chance of showers after 5am.  Mostly cloudy, with a low around 72. Calm wind.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 90. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely before 8pm.  Partly cloudy, with a low around 72. Chance of precipitation is 60%.

    Low: 72 °F

    Showers
    Likely then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 89. Chance of precipitation is 50%.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A slight chance of showers between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 88. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Partly cloudy, with a low around 71. Calm wind.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth 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 between 8pm and 5am, then a chance of showers after 5am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 90. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
A chance of showers. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Monday
A chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sparta NJ
 41.05°N 74.62°W (Elev. 600 ft)
4:12 pm EDT Jul 14, 2025
6pm EDT Jul 14, 2025-6pm EDT Jul 21, 2025
 
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