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

Wintry precipitation expected Friday afternoon into Saturday morning

A storm system will bring accumulating snow, sleet, and freezing rain that can lead to holiday travel disruptions. View this briefing for details. Read More >

Hazardous Weather Conditions

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

18°F

-8°C

Humidity 62%
Wind Speed N 7 mph
Barometer 30.22 in (1024.5 mb)
Dewpoint 7°F (-14°C)
Visibility NA
Wind Chill9°F (-13°C)
Last update 26 Dec 4:54 am EST
Extended Forecast for

Sparta NJ

Winter Storm Warning December 26, 01:00pm until December 27, 10:00am
Click here for hazard details and duration
Winter Storm Warning

  • Today

    Today: A chance of snow, mainly after 3pm. Mostly cloudy, with a high near 27. North wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 50%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tonight

    Tonight: Snow, possibly mixed with sleet, becoming all snow after 11pm. The snow could be heavy at times. Low around 21. Southeast wind around 5 mph becoming northeast after midnight. Chance of precipitation is 100%. New snow and sleet accumulation of 3 to 7 inches possible.

    Low: 21 °F

    Snow/Sleet
    then Heavy
    Snow

  • Saturday

    Saturday: A chance of snow, mainly before 9am. Mostly cloudy, with a high near 31. Northeast wind around 5 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 17. Calm wind.

    Low: 17 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain after 1pm. Mostly cloudy, with a high near 37. Calm wind becoming southwest around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 37 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 31. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 31 °F

    Rain

  • Monday

    Monday: Rain. High near 48. Chance of precipitation is 90%.

    High: 48 °F

    Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 30.

    High: 30 °F

    Mostly Cloudy

Detailed Forecast

Today
A chance of snow, mainly after 3pm. Mostly cloudy, with a high near 27. North wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 50%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow, possibly mixed with sleet, becoming all snow after 11pm. The snow could be heavy at times. Low around 21. Southeast wind around 5 mph becoming northeast after midnight. Chance of precipitation is 100%. New snow and sleet accumulation of 3 to 7 inches possible.
Saturday
A chance of snow, mainly before 9am. Mostly cloudy, with a high near 31. Northeast wind around 5 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 17. Calm wind.
Sunday
A chance of rain after 1pm. Mostly cloudy, with a high near 37. Calm wind becoming southwest around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain. Low around 31. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain. High near 48. Chance of precipitation is 90%.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Mostly cloudy, with a high near 30.
Tuesday Night
Mostly cloudy, with a low around 22.
Wednesday
Partly sunny, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 18.
New Year's Day
Partly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sparta NJ
 41.05°N 74.62°W (Elev. 600 ft)
Last Update:
4:11 am EST Dec 26, 2025
Forecast Valid:
5am EST Dec 26, 2025-6pm EST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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