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

Hazardous Weather Conditions

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Clear

9°F

-13°C

Humidity 66%
Wind Speed NW 7 mph
Barometer 30.11 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 29 Jan 7:45 am EST
Extended Forecast for

Mountainside NJ

Cold Weather Advisory January 30, 12:00am until January 30, 10:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Today

    Today: Sunny and cold, with a high near 19. Wind chill values between -5 and 5. West wind 6 to 10 mph.

    High: 19 °F

    Cold

  • Tonight

    Tonight: Mostly clear, with a low around 6. Wind chill values between -5 and zero. Northwest wind around 8 mph.

    Low: 6 °F

    Mostly Clear

  • Friday

    Friday: Sunny and cold, with a high near 16. Wind chill values between -5 and 5. West wind 7 to 11 mph.

    High: 16 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around 2. Wind chill values between -5 and zero. Northwest wind around 7 mph.

    Low: 2 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 19. North wind around 6 mph.

    High: 19 °F

    Cold

  • Saturday Night

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

    Low: 7 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A 30 percent chance of snow. Mostly cloudy, with a high near 23.

    High: 23 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny and cold, with a high near 19. Wind chill values between -5 and 5. West wind 6 to 10 mph.
Tonight
Mostly clear, with a low around 6. Wind chill values between -5 and zero. Northwest wind around 8 mph.
Friday
Sunny and cold, with a high near 16. Wind chill values between -5 and 5. West wind 7 to 11 mph.
Friday Night
Partly cloudy, with a low around 2. Wind chill values between -5 and zero. Northwest wind around 7 mph.
Saturday
Mostly sunny and cold, with a high near 19. North wind around 6 mph.
Saturday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 7.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 23.
Sunday Night
Mostly cloudy, with a low around 14.
Monday
Mostly sunny, with a high near 31.
Monday Night
Mostly clear, with a low around 13.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 15.
Wednesday
Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mountainside NJ
 40.69°N 74.37°W (Elev. 417 ft)
Last Update:
1:43 am EST Jan 29, 2026
Forecast Valid:
8am 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