Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Overcast

72°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 28 Jun 7:45 am EDT
Extended Forecast for

Chatham NJ

Extreme Heat Watch July 1, 12:00pm until July 4, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
  • Today

    Today: A slight chance of showers and thunderstorms after 2pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 82. Calm wind becoming east around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 82 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after midnight.  Otherwise, partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 86. Calm wind becoming east around 5 mph.

    High: 86 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. Southeast wind around 5 mph becoming calm.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

Detailed Forecast

Today
A slight chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 82. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 63. Calm wind.
Monday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 86. Calm wind becoming east around 5 mph.
Monday Night
Partly cloudy, with a low around 64. Southeast wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 89. Light southwest wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Sunny and hot, with a high near 101.
Thursday Night
Mostly clear, with a low around 78.
Friday
Sunny and hot, with a high near 101.
Friday Night
Mostly clear, with a low around 75.
Independence Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 96. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Chatham NJ
 40.74°N 74.39°W (Elev. 256 ft)
4:08 am EDT Jun 28, 2026
8am EDT Jun 28, 2026-6pm EDT Jul 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