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

An Arctic Front is Expected to Bring Some Snow and Dangerous Cold to the Region This Weekend.

A period of light snow is expected across the area Friday night into Saturday morning, with some snow squalls possible. Saturday into Sunday, the combination of very cold air and strong winds will lead to dangerously cold wind chills. Please see the current briefing for full details. Read More >

Hazardous Weather Conditions

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

24°F

-4°C

Humidity 77%
Wind Speed SW 3 mph
Barometer 29.60 in (1004.0 mb)
Dewpoint 18°F (-8°C)
Visibility NA
Last update 6 Feb 6:54 pm EST
Extended Forecast for

4 Miles NE Lake Hopatcong NJ

Wind Advisory February 7, 04:00am until February 8, 12:00am
Extreme Cold Warning February 7, 06:00am until February 8, 12:00pm
Click here for hazard details and duration
Wind Advisory
Extreme Cold Warning

  • Tonight

    Tonight: Light snow likely, mainly before 5am. Cloudy, with a low around 7. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 7 °F

    Light Snow
    Likely

  • Saturday

    Saturday: A chance of light snow, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 5 by 10am. Wind chill values as low as -18. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 11 °F⇓

    Chance Light
    Snow and
    Blustery then
    Partly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -2. Wind chill values as low as -22. Windy, with a northwest wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 45 mph.

    Low: -2 °F

    Partly Cloudy
    and Windy

  • Sunday

    Sunday: Sunny, with a high near 13. Wind chill values as low as -21. Northwest wind around 15 mph, with gusts as high as 35 mph.

    High: 13 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 2. Northwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 2 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Light snow likely, mainly before 5am. Cloudy, with a low around 7. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 2 inches possible.
Saturday
A chance of light snow, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 5 by 10am. Wind chill values as low as -18. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around -2. Wind chill values as low as -22. Windy, with a northwest wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 45 mph.
Sunday
Sunny, with a high near 13. Wind chill values as low as -21. Northwest wind around 15 mph, with gusts as high as 35 mph.
Sunday Night
Mostly clear, with a low around 2. Northwest wind around 10 mph, with gusts as high as 25 mph.
Monday
Partly sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 8.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
A chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 50%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 20. Chance of precipitation is 40%.
Thursday
A chance of snow. Partly sunny, with a high near 31. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Partly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Lake Hopatcong NJ
 41°N 74.57°W (Elev. 1115 ft)
Last Update:
4:14 pm EST Feb 6, 2026
Forecast Valid:
7pm EST Feb 6, 2026-6pm EST Feb 13, 2026
 
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