Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Caldwell, Essex County Airport (KCDW)

Lat: 40.88°NLon: 74.28°WElev: 171ft.

Overcast

75°F

24°C

Humidity 88%
Wind Speed E 3 mph
Barometer 29.84 in (1010.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 17 Aug 11:53 pm EDT
Extended Forecast for

Boonton NJ

  • Overnight

    Overnight: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 83. North wind around 5 mph becoming calm.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 81. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers.  Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers before 2pm.  Mostly sunny, with a high near 79. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers after 2am.  Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 68. Calm wind.
Tuesday
Sunny, with a high near 83. North wind around 5 mph becoming calm.
Tuesday Night
Mostly clear, with a low around 64. Calm wind.
Wednesday
Sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 66. Calm wind.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Friday
A chance of showers before 2pm. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 50%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Sunday
Showers likely. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Sunday Night
Showers likely. Partly cloudy, with a low around 62. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Boonton NJ
 40.92°N 74.41°W (Elev. 623 ft)
4:08 pm EDT Aug 17, 2026
12am EDT Aug 18, 2026-6pm EDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database