Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Fog/Mist

75°F

24°C

Humidity 100%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 75°F (24°C)
Visibility 3.00 mi
Last update 18 Aug 8:50 am EDT
Extended Forecast for

Whippany NJ

  • Today

    Today: Isolated showers and thunderstorms before 11am, then isolated showers and thunderstorms after noon.  Mostly sunny, with a high near 86. Calm wind becoming north around 5 mph.  Chance of precipitation is 20%.

    High: 86 °F

    Isolated
    T-storms

  • Tonight

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

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy fog between 7am and 8am.  Otherwise, sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 83. Calm wind becoming west around 5 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 11pm, then a chance of showers.  Mostly cloudy, with a low around 63. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely

  • Friday

    Friday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers.  Partly sunny, with a high near 80. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    Showers

Detailed Forecast

Today
Isolated showers and thunderstorms before 11am, then isolated showers and thunderstorms after noon. Mostly sunny, with a high near 86. Calm wind becoming north around 5 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 65. Calm wind.
Wednesday
Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 67. Calm wind.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Calm wind becoming west around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Partly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 64.
Saturday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Sunday
Showers likely. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Sunday Night
Showers likely. Partly cloudy, with a low around 62. Chance of precipitation is 60%.
Monday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Whippany NJ
 40.83°N 74.43°W (Elev. 262 ft)
2:35 am EDT Aug 18, 2026
9am EDT Aug 18, 2026-6pm EDT Aug 24, 2026
 
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