Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Mostly Cloudy

14°F

-10°C

Humidity 41%
Wind Speed N 8 mph
Barometer 30.68 in
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 24 Jan 8:45 pm EST
Extended Forecast for

Summit NJ

Winter Storm Warning January 25, 03:00am until January 26, 06:00pm
Click here for hazard details and duration
Winter Storm Warning
  • Tonight

    Tonight: A 50 percent chance of snow, mainly after 4am.  Cloudy, with a low around 11. Wind chill values between 5 and 10. Light north wind.

    Low: 11 °F

    Cloudy then
    Chance Snow

  • Sunday

    Sunday: Snow before 1pm, then snow and sleet. The snow and sleet could be heavy at times.  High near 24. Wind chill values between zero and 5. Northeast wind 6 to 13 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New snow and sleet accumulation of 7 to 11 inches possible.

    High: 24 °F

    Heavy Snow
    then
    Snow/Sleet

  • Sunday Night

    Sunday Night: Freezing rain and sleet before 1am, then freezing rain and sleet likely, possibly mixed with snow between 1am and 4am, then snow likely after 4am. The sleet could be heavy at times.  Temperature rising to around 23 by 1am. Wind chill values between 5 and 15. Northeast wind 7 to 14 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible.  New snow and sleet accumulation of 1 to 3 inches possible.

    Low: 19 °F

    Wintry Mix

  • Monday

    Monday: Snow likely, mainly before 7am.  Cloudy, then gradually becoming mostly sunny, with a high near 28. Wind chill values between 10 and 20. Northwest wind 6 to 13 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 28 °F

    Snow Likely

  • Monday Night

    Monday Night: Mostly clear, with a low around 8. West wind around 13 mph, with gusts as high as 23 mph.

    Low: 8 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and cold, with a high near 17.

    High: 17 °F

    Cold

  • Tuesday Night

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

    Low: 3 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 7.

    Low: 7 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of snow, mainly after 4am. Cloudy, with a low around 11. Wind chill values between 5 and 10. Light north wind.
Sunday
Snow before 1pm, then snow and sleet. The snow and sleet could be heavy at times. High near 24. Wind chill values between zero and 5. Northeast wind 6 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 7 to 11 inches possible.
Sunday Night
Freezing rain and sleet before 1am, then freezing rain and sleet likely, possibly mixed with snow between 1am and 4am, then snow likely after 4am. The sleet could be heavy at times. Temperature rising to around 23 by 1am. Wind chill values between 5 and 15. Northeast wind 7 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of 1 to 3 inches possible.
Monday
Snow likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 28. Wind chill values between 10 and 20. Northwest wind 6 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
Mostly clear, with a low around 8. West wind around 13 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny and cold, with a high near 17.
Tuesday Night
Mostly clear, with a low around 3.
Wednesday
Mostly sunny, with a high near 21.
Wednesday Night
Mostly cloudy, with a low around 7.
Thursday
Partly sunny and cold, with a high near 19.
Thursday Night
Partly cloudy, with a low around 5.
Friday
Mostly sunny and cold, with a high near 20.
Friday Night
Partly cloudy, with a low around 9.
Saturday
Mostly sunny, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
Summit NJ
 40.71°N 74.37°W (Elev. 400 ft)
1:15 pm EST Jan 24, 2026
9pm EST Jan 24, 2026-6pm EST Jan 31, 2026
 
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Additional Resources

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