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.

Overcast

43°F

6°C

Humidity 66%
Wind Speed NW 6 mph
Barometer 30.07 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 21 Feb 6:45 pm EST
Extended Forecast for

Mountainside NJ

Blizzard Warning February 22, 01:00pm until February 23, 06:00pm
Click here for hazard details and duration
Blizzard Warning

  • Tonight

    Tonight: A chance of rain and snow, mainly after 4am. Mostly cloudy, with a low around 33. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 50%.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: Rain and snow likely before 10am, then snow. High near 37. Wind chill values between 25 and 30. East wind 8 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 37 °F

    Rain/Snow
    then Snow

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Areas of blowing snow after 10pm. Low around 29. Wind chill values between 15 and 20. Windy, with a north wind 15 to 20 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

    Low: 29 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday

    Monday: Snow, mainly before 1pm. The snow could be heavy at times. Areas of blowing snow. High near 35. Wind chill values between 15 and 20. Windy, with a north wind 18 to 28 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    High: 35 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: A 20 percent chance of snow before 10pm. Areas of blowing snow before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 21. Northwest wind 10 to 16 mph, with gusts as high as 30 mph.

    Low: 21 °F

    Slight Chance
    Snow and
    Areas Blowing
    Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of snow before 1pm. Partly sunny, with a high near 39.

    High: 39 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Rain

Detailed Forecast

Tonight
A chance of rain and snow, mainly after 4am. Mostly cloudy, with a low around 33. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 50%.
Sunday
Rain and snow likely before 10am, then snow. High near 37. Wind chill values between 25 and 30. East wind 8 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Snow. The snow could be heavy at times. Areas of blowing snow after 10pm. Low around 29. Wind chill values between 15 and 20. Windy, with a north wind 15 to 20 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.
Monday
Snow, mainly before 1pm. The snow could be heavy at times. Areas of blowing snow. High near 35. Wind chill values between 15 and 20. Windy, with a north wind 18 to 28 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Monday Night
A 20 percent chance of snow before 10pm. Areas of blowing snow before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 21. Northwest wind 10 to 16 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 30.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
A 40 percent chance of snow before 1pm. Partly sunny, with a high near 39.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 31.
Thursday
A 50 percent chance of rain. Partly sunny, with a high near 43.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 41.
Friday Night
Mostly clear, with a low around 26.
Saturday
Mostly sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mountainside NJ
 40.69°N 74.37°W (Elev. 417 ft)
Last Update:
3:48 pm EST Feb 21, 2026
Forecast Valid:
6pm EST Feb 21, 2026-6pm EST Feb 28, 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