National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Major Winter Storm Anticipated Sunday into Monday

Potentially significant snowfall is forecast from a winter storm Sunday into Monday. View the latest briefing here. Read More >

Hazardous Weather Conditions

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Overcast

39°F

4°C

Humidity 75%
Wind Speed NE 3 mph
Barometer 30.08 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 21 Feb 7:50 pm EST
Extended Forecast for

Chatham NJ

Blizzard Warning February 22, 10:00am until February 23, 06:00pm
Click here for hazard details and duration
Blizzard Warning

  • Tonight

    Tonight: A slight chance of rain and snow before 4am, then a slight chance of snow between 4am and 5am, then a slight chance of rain and snow after 5am. Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 20%.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Sunday

    Sunday: Snow, possibly mixed with rain, becoming all snow after 1pm. High near 35. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Areas of blowing snow after 11pm. Low around 28. Blustery, with a north wind 15 to 20 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.

    Low: 28 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday

    Monday: Snow, mainly before 1pm. Areas of blowing snow before noon. High near 33. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    High: 33 °F

    Snow and
    Areas Blowing
    Snow

  • Monday Night

    Monday Night: Areas of blowing snow between 9pm and 1am. Mostly cloudy, with a low around 20. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 20 °F

    Areas Blowing
    Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow after 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.

    Low: 17 °F

    Partly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 50%.

    High: 40 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
A slight chance of rain and snow before 4am, then a slight chance of snow between 4am and 5am, then a slight chance of rain and snow after 5am. Mostly cloudy, with a low around 33. Calm wind. Chance of precipitation is 20%.
Sunday
Snow, possibly mixed with rain, becoming all snow after 1pm. High near 35. East wind 10 to 15 mph, with gusts as high as 25 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 11pm. Low around 28. Blustery, with a north wind 15 to 20 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.
Monday
Snow, mainly before 1pm. Areas of blowing snow before noon. High near 33. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Monday Night
Areas of blowing snow between 9pm and 1am. Mostly cloudy, with a low around 20. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 30.
Tuesday Night
A chance of snow after 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.
Wednesday
A chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 50%.
Wednesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Thursday
A chance of rain. Partly sunny, with a high near 44. Chance of precipitation is 50%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Friday
A chance of rain and snow. Mostly sunny, with a high near 42. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 25.
Saturday
Mostly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chatham NJ
 40.74°N 74.42°W (Elev. 299 ft)
Last Update:
4:16 pm EST Feb 21, 2026
Forecast Valid:
8pm EST Feb 21, 2026-6pm EST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation