Severe Thunderstorms in the Ohio and Tennessee Valleys; Flash Flooding Possible in the Southwest

Scattered damaging winds, isolated severe hail, and a brief tornado or two are possible from the Upper Ohio to Tennessee Valleys during the late afternoon and evening. Across the Southwest, monsoonal moisture will continue to bring heavy rain and a threat for isolated to scattered flash flooding through Saturday. Read More >

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Overcast

64°F

18°C

Humidity 94%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 6 Sep 10:55 pm EDT
Extended Forecast for

Cedar Knolls NJ

  • Tonight

    Tonight: Showers.  Low around 59. Northwest wind around 5 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Showers

  • Sunday

    Sunday: Showers, mainly before 10am.  High near 73. West wind 5 to 10 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 73 °F

    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51. West wind around 5 mph becoming calm.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74. Calm wind becoming north around 5 mph.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 73.

    High: 73 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers. Low around 59. Northwest wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly before 10am. High near 73. West wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Mostly clear, with a low around 51. West wind around 5 mph becoming calm.
Monday
Sunny, with a high near 74. Calm wind becoming north around 5 mph.
Monday Night
Mostly clear, with a low around 52. Calm wind.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
Mostly cloudy, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Cedar Knolls NJ
 40.81°N 74.46°W (Elev. 299 ft)
8:07 pm EDT Sep 6, 2025
11pm EDT Sep 6, 2025-6pm EDT Sep 13, 2025
 
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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