Dangerous heat and humidity from the central U.S. to East Coast

Hot and very humid conditions will continue to produce heat index values over 100 degrees across a large portion of the central and eastern U.S. Heat Advisories and Excessive Heat Warnings continue for the Plains, Mississippi Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Read More >

Current conditions at

Caldwell, Essex County Airport (KCDW)

Lat: 40.88°NLon: 74.28°WElev: 171ft.

Fair

81°F

27°C

Humidity 62%
Wind Speed Calm
Barometer 29.96 in (1014.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 24 Jul 11:53 pm EDT
Extended Forecast for

Mahwah NJ

Heat Advisory July 25, 12:00pm until July 25, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 71. Light southwest wind.

    Slight Chance
    T-storms

    Low: 71 °F

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 4pm. Some of the storms could produce gusty winds and heavy rain.  Widespread haze after 10am. Mostly cloudy, with a high near 91. Heat index values as high as 99. Southwest wind 3 to 8 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    High: 91 °F

  • Monday
    Night

    Monday Night: Showers and thunderstorms likely, mainly before 8pm.  Mostly cloudy, with a low around 72. West wind 3 to 5 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    T-storms
    Likely then
    Partly Cloudy

    Low: 72 °F

  • Tuesday

    Tuesday: Sunny, with a high near 90. Northwest wind 5 to 10 mph.

    Sunny

    High: 90 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 64. North wind 3 to 6 mph.

    Mostly Clear

    Low: 64 °F

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    Sunny

    High: 90 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 68.

    Partly Cloudy

    Low: 68 °F

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 91.

    Partly Sunny
    then Chance
    T-storms

    High: 91 °F

  • Thursday
    Night

    Thursday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 70.

    Chance
    T-storms

    Low: 70 °F

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 71. Light southwest wind.
Monday
Showers and thunderstorms likely, mainly after 4pm. Some of the storms could produce gusty winds and heavy rain. Widespread haze after 10am. Mostly cloudy, with a high near 91. Heat index values as high as 99. Southwest wind 3 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 72. West wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Sunny, with a high near 90. Northwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 64. North wind 3 to 6 mph.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Friday
A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 89.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Saturday Night
Mostly cloudy, with a low around 68.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Click Map For Forecast
Point Forecast:
Mahwah NJ
 41.09°N 74.17°W (Elev. 299 ft)
10:35 pm EDT Jul 24, 2016
12am EDT Jul 25, 2016-6pm EDT Jul 30, 2016
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database