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

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Overcast

72°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 30.29 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 16 Sep 10:35 pm EDT
Extended Forecast for

Mountain Lakes NJ

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers after 3pm. Mostly cloudy, with a high near 82. Light south wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 20%.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 80. North wind 5 to 10 mph.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. North wind around 5 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.

    Low: 57 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 8am. High near 71. Chance of precipitation is 80%.

    High: 71 °F

    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 8pm. Low around 56. Chance of precipitation is 80%.

    Low: 56 °F

    Showers then
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 65. Calm wind.
Thursday
A slight chance of showers after 3pm. Mostly cloudy, with a high near 82. Light south wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 20%.
Friday
Sunny, with a high near 80. North wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 55. North wind around 5 mph.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
A chance of showers after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Sunday
Showers, mainly after 8am. High near 71. Chance of precipitation is 80%.
Sunday Night
Showers, mainly before 8pm. Low around 56. Chance of precipitation is 80%.
Monday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mountain Lakes NJ
 40.89°N 74.42°W (Elev. 318 ft)
Last Update:
6:57 pm EDT Sep 16, 2026
Forecast Valid:
10pm EDT Sep 16, 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