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

Briefing for Impacts from Snow and Rain Storm on Tuesday

A storm system will bring snow and rain to the region on Tuesday. Impacts are expected from snowfall during the Tuesday morning commute and potentially the Tuesday evening commute across portions of eastern PA and northern NJ. See the linked briefing package for details. Read More >

Hazardous Weather Conditions

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Partly Cloudy

43°F

6°C

Humidity 36%
Wind Speed NW 9 G 18 mph
Barometer 30.31 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 1 Dec 12:45 pm EST
Extended Forecast for

Mountain Lakes NJ

Winter Weather Advisory December 2, 04:00am until December 2, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: Sunny, with a high near 39. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 39 °F

    Sunny

  • Tonight

    Tonight: A chance of snow, mainly after 5am. Increasing clouds, with a low around 24. North wind around 5 mph becoming calm. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 24 °F

    Partly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: Snow before 10am, then rain, snow, and sleet between 10am and 1pm, then rain, possibly mixed with snow after 1pm. The snow could be heavy at times. High near 36. Northeast wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.

    High: 36 °F

    Wintry Mix

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 10pm, then a chance of rain between 10pm and 1am. Cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind 10 to 15 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 25 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Wednesday

    Wednesday: Sunny, with a high near 38. Northwest wind 5 to 10 mph.

    High: 38 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 39. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
A chance of snow, mainly after 5am. Increasing clouds, with a low around 24. North wind around 5 mph becoming calm. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
Snow before 10am, then rain, snow, and sleet between 10am and 1pm, then rain, possibly mixed with snow after 1pm. The snow could be heavy at times. High near 36. Northeast wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.
Tuesday Night
A chance of rain and snow before 10pm, then a chance of rain between 10pm and 1am. Cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind 10 to 15 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday
Sunny, with a high near 38. Northwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 25.
Thursday
Partly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 13.
Friday
Mostly sunny, with a high near 29.
Friday Night
A chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 50%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 50%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 38.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mountain Lakes NJ
 40.9°N 74.44°W (Elev. 656 ft)
Last Update:
4:09 am EST Dec 1, 2025
Forecast Valid:
12pm EST Dec 1, 2025-6pm EST Dec 7, 2025
 
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