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

Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

-6°F

-21°C

Humidity 78%
Wind Speed Calm
Barometer 30.03 in (1019.0 mb)
Dewpoint -11°F (-24°C)
Visibility NA
Last update 29 Jan 1:54 am EST
Extended Forecast for

Hackettstown NJ

Cold Weather Advisory January 29, 02:35am until January 30, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 29, 02:35am until January 30, 10:00am

    NOW until 10:00am Fri

    Cold Weather Advisory

  • Overnight

    Low: -3 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 20. Wind chill values as low as -7. Light west wind increasing to 5 to 10 mph in the morning.

    High: 20 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around -2. Wind chill values as low as -11. Northwest wind around 5 mph.

    Low: -2 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 16. Wind chill values as low as -12. Northwest wind 5 to 10 mph.

    High: 16 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around -3. Northwest wind around 5 mph becoming calm.

    Low: -3 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 7. Chance of precipitation is 30%.

    Low: 7 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A chance of snow. Partly sunny, with a high near 23. Chance of precipitation is 30%.

    High: 23 °F

    Chance Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around -3. Calm wind.
Thursday
Sunny, with a high near 20. Wind chill values as low as -7. Light west wind increasing to 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around -2. Wind chill values as low as -11. Northwest wind around 5 mph.
Friday
Sunny, with a high near 16. Wind chill values as low as -12. Northwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around -3. Northwest wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 20.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 7. Chance of precipitation is 30%.
Sunday
A chance of snow. Partly sunny, with a high near 23. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 13.
Monday
Sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 11.
Tuesday
Mostly sunny, with a high near 31.
Tuesday Night
Partly cloudy, with a low around 11.
Wednesday
Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hackettstown NJ
 40.85°N 74.83°W (Elev. 594 ft)
Last Update:
4:11 pm EST Jan 28, 2026
Forecast Valid:
2am EST Jan 29, 2026-6pm EST Feb 4, 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