Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

Current conditions at

Caldwell, Essex County Airport (KCDW)

Lat: 40.88°NLon: 74.28°WElev: 171ft.

Fair

80°F

27°C

Humidity 42%
Wind Speed Vrbl 3 mph
Barometer 29.88 in (1012.2 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 12 Aug 10:53 am EDT
Extended Forecast for

Lake Hiawatha NJ

  • Today

    Today: Sunny, with a high near 86. Northwest wind around 5 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly between midnight and 1am.  Partly cloudy, with a low around 66. Calm wind.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Increasing clouds, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.

    High: 87 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85. Calm wind becoming north around 5 mph.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm.  Mostly sunny, with a high near 83. Chance of precipitation is 40%.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 86. Northwest wind around 5 mph.
Tonight
A chance of showers and thunderstorms, mainly between midnight and 1am. Partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Increasing clouds, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 67. Calm wind.
Friday
Mostly sunny, with a high near 85. Calm wind becoming north around 5 mph.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
A chance of showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 40%.
Sunday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Monday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Hiawatha NJ
 40.89°N 74.39°W (Elev. 299 ft)
4:09 am EDT Aug 12, 2026
11am EDT Aug 12, 2026-6pm EDT Aug 18, 2026
 
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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