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

Areas of Excessive Rainfall and Severe Thunderstorms Friday

Heavy thunderstorms may bring areas of excessive rainfall and locally considerable flooding over parts of the Ozarks into the lower-Mississippi River Valley Friday and Saturday. Scattered severe thunderstorms may occur Friday from Montana into the central Plains, with hail and corridors of damaging winds possible. Read More >

Current conditions at

Morristown Municipal (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Partly Cloudy

63°F

17°C

Humidity 83%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 13 Jun 6:15 am EDT
Extended Forecast for

Mendham NJ

  • Today

    Today: A slight chance of showers and thunderstorms between noon and 5pm. Mostly cloudy, with a high near 78. Calm wind becoming southeast around 5 mph. Chance of precipitation is 20%.

    High: 78 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 3am. Cloudy, with a low around 59. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 11am, then showers likely between 11am and 5pm, then showers likely and possibly a thunderstorm after 5pm. Cloudy, with a high near 66. Northeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Cloudy, with a low around 56. East wind around 5 mph becoming calm. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Cloudy, with a high near 67. East wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers. Cloudy, with a low around 58. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 40%.

    High: 68 °F

    Chance
    Showers

  • Monday Night

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

    Low: 60 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 30%.

    High: 76 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
A slight chance of showers and thunderstorms between noon and 5pm. Mostly cloudy, with a high near 78. Calm wind becoming southeast around 5 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms, mainly after 3am. Cloudy, with a low around 59. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely and possibly a thunderstorm before 11am, then showers likely between 11am and 5pm, then showers likely and possibly a thunderstorm after 5pm. Cloudy, with a high near 66. Northeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms. Cloudy, with a low around 56. East wind around 5 mph becoming calm. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers. Cloudy, with a high near 67. East wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A chance of showers. Cloudy, with a low around 58. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 60.
Tuesday
A chance of showers after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 30%.
Tuesday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 82. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, with a low around 67.
Juneteenth
A chance of showers. Partly sunny, with a high near 87. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mendham NJ
 40.76°N 74.59°W (Elev. 600 ft)
Last Update:
4:11 am EDT Jun 13, 2025
Forecast Valid:
6am EDT Jun 13, 2025-6pm EDT Jun 19, 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