Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

56°F

13°C

Humidity 93%
Wind Speed Calm
Barometer 30.16 in (1020.8 mb)
Dewpoint 54°F (12°C)
Visibility NA
Last update 25 Jul 3:54 am EDT
Extended Forecast for

Lake Hopatcong NJ

  • Today

    Today: Sunny, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Calm wind.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 82. Calm wind becoming southwest 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: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 11pm, then showers likely between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am.  Mostly cloudy, with a low around 63. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 2pm.  High near 77. Chance of precipitation is 90%.

    High: 77 °F

    Showers then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am.  Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    T-storms
    Likely then
    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers.  Partly sunny, with a high near 76. Chance of precipitation is 50%.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 57. Calm wind.
Sunday
Sunny, with a high near 82. Calm wind.
Sunday Night
Partly cloudy, with a low around 61. Calm wind.
Monday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Calm wind becoming southwest 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.
Monday Night
Showers and thunderstorms likely before 11pm, then showers likely between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers, with thunderstorms also possible after 2pm. High near 77. Chance of precipitation is 90%.
Tuesday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Wednesday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 50%.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 81.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Hopatcong NJ
 40.96°N 74.61°W (Elev. 984 ft)
4:08 am EDT Jul 25, 2026
4am EDT Jul 25, 2026-6pm EDT Jul 31, 2026
 
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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