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

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Fair

21°F

-6°C

Humidity 58%
Wind Speed NW 7 mph
Barometer 30.24 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 26 Dec 3:55 am EST
Extended Forecast for

Denville 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: Snow likely, mainly after 5pm. The snow could be heavy at times. Increasing clouds, with a high near 26. Northeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 26 °F

    Partly Sunny
    then Heavy
    Snow

  • Tonight

    Tonight: Snow, possibly mixed with sleet, becoming all snow after 4am. The snow could be heavy at times. Low around 21. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 100%. New snow and sleet accumulation of 3 to 7 inches possible.

    Low: 21 °F

    Snow/Sleet

  • Saturday

    Saturday: A chance of snow before 4pm, then a slight chance of snow and freezing rain. Cloudy, with a high near 31. Northeast wind around 5 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow
    then Chance
    Wintry Mix

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18. Calm wind.

    Low: 18 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain and snow after 1pm. Mostly cloudy, with a high near 36. Calm wind becoming west around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 36 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain. Low around 30. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 30 °F

    Rain

  • Monday

    Monday: Rain. High near 47. Chance of precipitation is 80%.

    High: 47 °F

    Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 30.

    High: 30 °F

    Mostly Cloudy

Detailed Forecast

Today
Snow likely, mainly after 5pm. The snow could be heavy at times. Increasing clouds, with a high near 26. Northeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow, possibly mixed with sleet, becoming all snow after 4am. The snow could be heavy at times. Low around 21. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 100%. New snow and sleet accumulation of 3 to 7 inches possible.
Saturday
A chance of snow before 4pm, then a slight chance of snow and freezing rain. Cloudy, with a high near 31. Northeast wind around 5 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 18. Calm wind.
Sunday
A chance of rain and snow after 1pm. Mostly cloudy, with a high near 36. Calm wind becoming west around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday Night
Rain. Low around 30. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain. High near 47. Chance of precipitation is 80%.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Mostly cloudy, with a high near 30.
Tuesday Night
Mostly cloudy, with a low around 21.
Wednesday
Partly sunny, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 21.
New Year's Day
Mostly cloudy, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Denville NJ
 40.88°N 74.48°W (Elev. 574 ft)
Last Update:
4:12 pm EST Dec 25, 2025
Forecast Valid:
4am 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