Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

A Few Clouds

75°F

24°C

Humidity 44%
Wind Speed NE 7 mph
Barometer 30.25 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 29 Aug 12:45 pm EDT
Extended Forecast for

Mountain Lakes NJ

  • This Afternoon

    This Afternoon: Sunny, with a high near 79. North wind around 5 mph becoming calm.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 2pm.  Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 82. Light west wind becoming southwest 5 to 10 mph in the morning.  Chance of precipitation is 30%.

    High: 82 °F

    Patchy Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. Calm wind.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers, mainly after 2pm.  Partly sunny, with a high near 81. Calm wind.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 81 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 65. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers.  Mostly cloudy, with a high near 81. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely before 2am.  Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers after 2pm.  Mostly cloudy, with a high near 82. Chance of precipitation is 40%.

    High: 82 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 79. North wind around 5 mph becoming calm.
Tonight
Mostly clear, with a low around 58. Calm wind.
Sunday
A chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 82. Light west wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 81. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
Tuesday Night
Showers likely before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Wednesday
A chance of showers after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 40%.
Wednesday Night
A chance of showers before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Mountain Lakes NJ
 40.9°N 74.44°W (Elev. 656 ft)
4:08 am EDT Aug 29, 2026
1pm EDT Aug 29, 2026-6pm EDT Sep 4, 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