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Hazardous Weather Conditions

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Mostly Cloudy

32°F

0°C

Humidity 100%
Wind Speed Calm
Barometer 29.88 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 21 Feb 6:45 am EST
Extended Forecast for

Mountainside NJ

Winter Storm Warning February 22, 06:00am until February 23, 06:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Today

    Today: Mostly sunny, with a high near 47. Northwest wind around 7 mph.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of rain and snow, mainly after 4am. Mostly cloudy, with a low around 35. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 40%.

    Low: 35 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: Rain and snow, becoming all snow after 10am. Temperature falling to around 31 by 5pm. Wind chill values between 20 and 30. East wind 7 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 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 1am. Low around 27. Wind chill values between 15 and 20. Windy, with a northeast wind 17 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

    Low: 27 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday

    Monday: Snow, mainly before 1pm. The snow could be heavy at times. Areas of blowing snow before 1pm. High near 36. Windy, with a north wind 18 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    High: 36 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 39.

    High: 39 °F

    Chance Snow

Detailed Forecast

Today
Mostly sunny, with a high near 47. Northwest wind around 7 mph.
Tonight
A chance of rain and snow, mainly after 4am. Mostly cloudy, with a low around 35. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 40%.
Sunday
Rain and snow, becoming all snow after 10am. Temperature falling to around 31 by 5pm. Wind chill values between 20 and 30. East wind 7 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Snow. The snow could be heavy at times. Areas of blowing snow after 1am. Low around 27. Wind chill values between 15 and 20. Windy, with a northeast wind 17 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.
Monday
Snow, mainly before 1pm. The snow could be heavy at times. Areas of blowing snow before 1pm. High near 36. Windy, with a north wind 18 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Mostly cloudy, with a low around 20.
Wednesday
A 30 percent chance of snow before 1pm. Mostly cloudy, with a high near 39.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 31.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 45.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 43.
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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:
3:41 am EST Feb 21, 2026
Forecast Valid:
6am EST Feb 21, 2026-6pm EST Feb 27, 2026
 
Forecast Discussion
 
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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