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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Current conditions at

Caldwell, Essex County Airport (KCDW)

Lat: 40.88°NLon: 74.28°WElev: 171ft.

Mostly Cloudy

82°F

28°C

Humidity 65%
Wind Speed Vrbl 3 mph
Barometer 30.16 in (1021.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 17 Sep 1:53 pm EDT
Extended Forecast for

Riverdale NJ

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 82. South wind around 5 mph.

    High: 82 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 80. North wind around 5 mph.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. North wind around 5 mph becoming calm.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 71. Northeast wind around 5 mph becoming calm.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Mostly Cloudy
    then Showers
    Likely

  • Sunday

    Sunday: Showers. High near 69. Chance of precipitation is 90%.

    High: 69 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 82. South wind around 5 mph.
Tonight
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%.
Friday
Sunny, with a high near 80. North wind around 5 mph.
Friday Night
Partly cloudy, with a low around 54. North wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 71. Northeast wind around 5 mph becoming calm.
Saturday Night
Showers likely after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers. High near 69. Chance of precipitation is 90%.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Monday
Partly sunny, with a high near 67.
Monday Night
Mostly cloudy, with a low around 52.
Tuesday
A chance of showers. Partly sunny, with a high near 65. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 50. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riverdale NJ
 40.99°N 74.31°W (Elev. 236 ft)
Last Update:
9:40 am EDT Sep 17, 2026
Forecast Valid:
2pm EDT Sep 17, 2026-6pm EDT Sep 23, 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