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

Tropical Moisture Brings Slight Risk of Excessive Rainfall to the Southwest; Strong to Locally Severe Storms on the Plains

Heavy rain and flash flooding are possible across portions of the Southwest through Friday, where Flood Watches are in effect. Strong to locally severe thunderstorms are possible today across portions of the Plains. A tropical wave is causing heavy rainfall in Puerto Rico and the Virgin Islands, which may cause urban and small stream flooding and landslides today. Read More >

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Clear

82°F

28°C

Humidity 42%
Wind Speed NW 6 mph
Barometer 29.90 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 18 Sep 5:45 pm EDT
Extended Forecast for

Mountain Lakes NJ

  • Tonight

    Tonight: Clear, with a low around 60. Northwest wind around 5 mph becoming calm.

    Low: 60 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 82. Northwest wind around 5 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53. North wind around 5 mph.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73. Northeast wind around 5 mph.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Sunday Night

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

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 60. Northwest wind around 5 mph becoming calm.
Friday
Sunny, with a high near 82. Northwest wind around 5 mph.
Friday Night
Mostly clear, with a low around 53. North wind around 5 mph.
Saturday
Sunny, with a high near 73. Northeast wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 52. Calm wind.
Sunday
Partly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
A chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mountain Lakes NJ
 40.9°N 74.44°W (Elev. 656 ft)
Last Update:
4:44 pm EDT Sep 18, 2025
Forecast Valid:
6pm EDT Sep 18, 2025-6pm EDT Sep 25, 2025
 
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