Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Snow

10°F

-12°C

Humidity 79%
Wind Speed NE 6 mph
Barometer 30.58 in
Dewpoint 5°F (-15°C)
Visibility 1.25 mi
Wind Chill0°F (-18°C)
Last update 25 Jan 5:55 am EST
Extended Forecast for

Mountainside NJ

Winter Storm Warning until January 26, 01:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning until January 26, 01:00pm

    NOW until 1:00pm Mon

    Winter Storm Warning

  • Today

    High: 26 °F

    Heavy Snow
    then
    Snow/Sleet

  • Tonight

    Tonight: Sleet, possibly mixed with freezing rain before 4am, then a chance of snow.  Temperature rising to around 24 by 7pm. Wind chill values between 5 and 15. Northeast wind 7 to 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. Little or no ice accumulation expected.  New snow and sleet accumulation of 1 to 2 inches possible.

    Low: 21 °F

    Wintry Mix
    then Wintry
    Mix Likely

  • Monday

    Monday: A chance of snow, mixing with freezing rain after 7am, then gradually ending.  Cloudy, then gradually becoming mostly sunny, with a high near 29. Wind chill values between 15 and 20. West wind 5 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 40%.

    High: 29 °F

    Chance Wintry
    Mix

  • Monday Night

    Monday Night: Mostly clear, with a low around 8. Wind chill values between -5 and 5. West wind 10 to 13 mph, with gusts as high as 26 mph.

    Low: 8 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and cold, with a high near 18. West wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 18 °F

    Cold

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 3.

    Low: 3 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 21.

    High: 21 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 8.

    Low: 8 °F

    Mostly Cloudy

Detailed Forecast

Today
Snow before 4pm, then snow and sleet. The snow could be heavy at times. High near 26. Wind chill values between zero and 5. Northeast wind 6 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. Total daytime snow and sleet accumulation of 6 to 10 inches possible.
Tonight
Sleet, possibly mixed with freezing rain before 4am, then a chance of snow. Temperature rising to around 24 by 7pm. Wind chill values between 5 and 15. Northeast wind 7 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow and sleet accumulation of 1 to 2 inches possible.
Monday
A chance of snow, mixing with freezing rain after 7am, then gradually ending. Cloudy, then gradually becoming mostly sunny, with a high near 29. Wind chill values between 15 and 20. West wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Monday Night
Mostly clear, with a low around 8. Wind chill values between -5 and 5. West wind 10 to 13 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny and cold, with a high near 18. West wind 8 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 3.
Wednesday
Increasing clouds, with a high near 21.
Wednesday Night
Mostly cloudy, with a low around 8.
Thursday
Mostly sunny and cold, with a high near 20.
Thursday Night
Mostly clear, with a low around 3.
Friday
Mostly sunny and cold, with a high near 20.
Friday Night
Partly cloudy, with a low around 7.
Saturday
Mostly sunny, with a high near 24.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Mountainside NJ
 40.69°N 74.37°W (Elev. 417 ft)
5:25 am EST Jan 25, 2026
6am EST Jan 25, 2026-6pm EST Jan 31, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database