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

Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Caldwell, Essex County Airport (KCDW)

Lat: 40.88°NLon: 74.28°WElev: 171ft.

Fair

10°F

-12°C

Humidity 55%
Wind Speed Vrbl 3 mph
Barometer 30.04 in (1018.2 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Last update 29 Jan 1:53 am EST
Extended Forecast for

Lake Hiawatha NJ

Cold Weather Advisory January 29, 01:59am until January 30, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 29, 01:59am until January 30, 10:00am

    NOW until 10:00am Fri

    Cold Weather Advisory

  • Overnight

    Low: 2 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 22. Wind chill values as low as -6. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 22 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 2. Wind chill values as low as -9. West wind around 5 mph.

    Low: 2 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 17. Wind chill values as low as -11. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 17 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 0. Northwest wind around 5 mph.

    Low: 0 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 9. Chance of precipitation is 30%.

    Low: 9 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 24. Chance of precipitation is 40%.

    High: 24 °F

    Chance Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 2. West wind around 5 mph.
Thursday
Sunny, with a high near 22. Wind chill values as low as -6. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 2. Wind chill values as low as -9. West wind around 5 mph.
Friday
Sunny, with a high near 17. Wind chill values as low as -11. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 0. Northwest wind around 5 mph.
Saturday
Mostly sunny, with a high near 20.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 9. Chance of precipitation is 30%.
Sunday
A chance of snow. Mostly cloudy, with a high near 24. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 15.
Monday
Sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 14.
Wednesday
Mostly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Hiawatha NJ
 40.89°N 74.39°W (Elev. 299 ft)
Last Update:
4:11 pm EST Jan 28, 2026
Forecast Valid:
1am EST Jan 29, 2026-6pm EST Feb 4, 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