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Hazardous Weather Conditions

Current conditions at

Morristown Municipal (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Partly Cloudy

36°C

97°F

Humidity 47%
Wind Speed NW 9 km/h
Barometer 30.07 in
Dewpoint 23°C (73°F)
Visibility 16 km
Heat Index42°C (108°F)
Last update 23 Jun 2:45 pm EDT
Extended Forecast for

Madison NJ

Extreme Heat Warning June 23, 03:35pm until June 25, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 23, 03:35pm until June 25, 08:00pm

    NOW until 8:00pm Wed

    Extreme Heat Warning

  • Tonight

    Low: 26 °C

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 38. Heat index values as high as 41. Northwest wind 5 to 10 km/h.

    High: 38 °C

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26. Calm wind.

    Low: 26 °C

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Sunny, with a high near 35. Northwest wind 5 to 10 km/h. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    High: 35 °C

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Low: 23 °C

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 31. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 31 °C

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.

    Low: 19 °C

    Showers
    Likely then
    Chance
    T-storms

  • Friday

    Friday: A chance of showers after 2pm. Mostly cloudy, with a high near 24. Chance of precipitation is 30%.

    High: 24 °C

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 26. Calm wind.
Tuesday
Sunny and hot, with a high near 38. Heat index values as high as 41. Northwest wind 5 to 10 km/h.
Tuesday Night
Mostly clear, with a low around 26. Calm wind.
Wednesday
A chance of showers and thunderstorms after 2pm. Sunny, with a high near 35. Northwest wind 5 to 10 km/h. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Thursday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 31. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Friday
A chance of showers after 2pm. Mostly cloudy, with a high near 24. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 18. Chance of precipitation is 40%.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 28. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 31. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 31. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Madison NJ
 40.76°N 74.41°W (Elev. 262 m)
Last Update:
3:29 pm EDT Jun 23, 2025
Forecast Valid:
3pm EDT Jun 23, 2025-6pm EDT Jun 30, 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