Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

Current conditions at

Caldwell, Essex County Airport (KCDW)

Lat: 40.88°NLon: 74.28°WElev: 171ft.

Fair

73°F

23°C

Humidity 50%
Wind Speed NA
Barometer 30.00 in (1016.2 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 6 Sep 6:53 pm EDT
Extended Forecast for

Boonton NJ

  • Tonight

    Tonight: Isolated showers before 8pm.  Partly cloudy, with a low around 54. Northeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 54 °F

    Isolated
    Showers then
    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 78. Northwest wind around 5 mph.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. Calm wind becoming northwest around 5 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers after 2pm.  Partly sunny, with a high near 83. Chance of precipitation is 30%.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 2am.  Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers

Detailed Forecast

Tonight
Isolated showers before 8pm. Partly cloudy, with a low around 54. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Labor Day
Sunny, with a high near 78. Northwest wind around 5 mph.
Monday Night
Mostly clear, with a low around 57. Calm wind.
Tuesday
Sunny, with a high near 81. Calm wind becoming northwest around 5 mph.
Tuesday Night
Partly cloudy, with a low around 61. Calm wind.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Mostly cloudy, with a low around 69.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Boonton NJ
 40.89°N 74.42°W (Elev. 318 ft)
4:09 pm EDT Sep 6, 2026
7pm EDT Sep 6, 2026-6pm EDT Sep 13, 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