Strong to Severe Thunderstorms in the East; Heat in the Central and Western U.S.

Strong to potentially severe thunderstorms with damaging wind gusts are forecast Thursday from parts of New England into the Mid Atlantic and Carolinas. Significant heat will expand across the West and Central Plains through Friday, potentially breaking daily high temperature records. Dangerous heat will then build into the Eastern U.S. this weekend through much of next week. Read More >

Current conditions at

Morristown Municipal (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Fog/Mist

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 29.84 in
Dewpoint 68°F (20°C)
Visibility 1.75 mi
Last update 19 Jun 1:15 am EDT
Extended Forecast for

Cedar Knolls NJ

  • Overnight

    Overnight: Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Showers and thunderstorms likely, mainly after 5pm.  Mostly sunny, with a high near 91. Southwest wind 5 to 15 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Mostly Sunny
    then T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 65. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    T-storms
    Likely then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 83. Northwest wind around 10 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. West wind around 5 mph becoming calm.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 70.

    Low: 70 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 90.

    High: 90 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 70. Calm wind.
Juneteenth
Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 91. Southwest wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 65. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 83. Northwest wind around 10 mph.
Friday Night
Mostly clear, with a low around 64. West wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Mostly cloudy, with a low around 70.
Sunday
Partly sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 72.
Monday
Mostly sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
A chance of showers and thunderstorms. Sunny, with a high near 95. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Cedar Knolls NJ
 40.83°N 74.46°W (Elev. 322 ft)
9:48 pm EDT Jun 18, 2025
1am EDT Jun 19, 2025-6pm EDT Jun 25, 2025
 
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