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

Major Winter Storm Anticipated Sunday into Monday

Potentially significant snowfall is forecast from a winter storm Sunday into Monday. View the latest briefing here. Read More >

Hazardous Weather Conditions

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

32°F

0°C

Humidity 85%
Wind Speed Calm
Barometer 30.07 in (1019.2 mb)
Dewpoint 28°F (-2°C)
Visibility NA
Last update 22 Feb 1:54 am EST
Extended Forecast for

4 Miles NE Lake Hopatcong NJ

Blizzard Warning February 22, 10:00am until February 23, 06:00pm
Click here for hazard details and duration
Blizzard Warning

  • Overnight

    Overnight: A chance of snow, mainly after 4am. Cloudy, with a low around 29. East wind around 5 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow

  • Sunday

    Sunday: Snow. Areas of blowing snow after 3pm. High near 31. East wind 10 to 15 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Snow and
    Areas Blowing
    Snow

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Areas of blowing snow. Low around 25. Blustery, with a north wind 15 to 20 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 8 to 12 inches possible.

    Low: 25 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday

    Monday: Snow, mainly before 1pm. The snow could be heavy at times. Areas of blowing snow. High near 30. Blustery, with a north wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

    High: 30 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Areas of blowing snow before 1am. Mostly cloudy, with a low around 16. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 16 °F

    Areas Blowing
    Snow and
    Blustery

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow after 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 30%.

    Low: 14 °F

    Partly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow. Mostly cloudy, with a high near 36. Chance of precipitation is 50%.

    High: 36 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
A chance of snow, mainly after 4am. Cloudy, with a low around 29. East wind around 5 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Snow. Areas of blowing snow after 3pm. High near 31. East wind 10 to 15 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Snow. The snow could be heavy at times. Areas of blowing snow. Low around 25. Blustery, with a north wind 15 to 20 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 8 to 12 inches possible.
Monday
Snow, mainly before 1pm. The snow could be heavy at times. Areas of blowing snow. High near 30. Blustery, with a north wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.
Monday Night
Areas of blowing snow before 1am. Mostly cloudy, with a low around 16. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 25.
Tuesday Night
A chance of snow after 1am. Mostly cloudy, with a low around 14. Chance of precipitation is 30%.
Wednesday
A chance of snow. Mostly cloudy, with a high near 36. Chance of precipitation is 50%.
Wednesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Thursday
A chance of rain. Partly sunny, with a high near 40. Chance of precipitation is 50%.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.
Friday
A chance of rain and snow. Partly sunny, with a high near 37. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 23.
Saturday
Mostly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Lake Hopatcong NJ
 41°N 74.54°W (Elev. 1237 ft)
Last Update:
4:16 pm EST Feb 21, 2026
Forecast Valid:
2am EST Feb 22, 2026-6pm EST Feb 28, 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