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.

Partly Cloudy

21°F

-6°C

Humidity 54%
Wind Speed NE 8 G 14 mph
Barometer 30.15 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 31 Jan 11:45 am EST
Extended Forecast for

Mountainside NJ

Cold Weather Advisory January 31, 12:04pm until February 1, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 31, 12:04pm until February 1, 10:00am

    NOW until 10:00am Sun

    Cold Weather Advisory

  • This Afternoon

    High: 22 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 9. Wind chill values between -5 and 5. North wind 6 to 14 mph.

    Low: 9 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 25. Wind chill values between -10 and zero. North wind 14 to 18 mph, with gusts as high as 29 mph.

    High: 25 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 13. Wind chill values between zero and 10. Northwest wind 10 to 13 mph.

    Low: 13 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 32. Northwest wind around 10 mph.

    High: 32 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 22. Wind chill values between 5 and 15. North wind around 6 mph.
Tonight
Mostly cloudy, with a low around 9. Wind chill values between -5 and 5. North wind 6 to 14 mph.
Sunday
Partly sunny, with a high near 25. Wind chill values between -10 and zero. North wind 14 to 18 mph, with gusts as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 13. Wind chill values between zero and 10. Northwest wind 10 to 13 mph.
Monday
Sunny, with a high near 32. Northwest wind around 10 mph.
Monday Night
Mostly clear, with a low around 12.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
Mostly sunny, with a high near 30.
Wednesday Night
Partly cloudy, with a low around 12.
Thursday
Mostly sunny, with a high near 29.
Thursday Night
Partly cloudy, with a low around 10.
Friday
Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mountainside NJ
 40.66°N 74.35°W (Elev. 141 ft)
Last Update:
2:07 am EST Jan 31, 2026
Forecast Valid:
12pm EST Jan 31, 2026-6pm EST Feb 6, 2026
 
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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