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

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Fog/Mist

61°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 30.02 in (1016.6 mb)
Dewpoint 61°F (16°C)
Visibility 5.00 mi
Last update 29 Jun 3:53 am EDT
Extended Forecast for

Lebanon NJSimilar City Names

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

    Overnight: Patchy fog.  Otherwise, partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 87. Calm wind.

    High: 87 °F

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 64. Southeast wind around 5 mph becoming calm.

    Low: 64 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 89. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 89 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am.  Partly cloudy, with a low around 68. Southwest wind around 5 mph.  Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 75.

    Low: 75 °F

    Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 62. Calm wind.
Monday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 87. Calm wind.
Monday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 64. Southeast wind around 5 mph becoming calm.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Light southwest wind increasing to 5 to 10 mph in the morning.
Tuesday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 68. Southwest wind around 5 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny and hot, with a high near 99.
Thursday Night
Clear, with a low around 75.
Friday
Sunny and hot, with a high near 99.
Friday Night
Partly cloudy, with a low around 73.
Independence Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 95. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Lebanon NJSimilar City Names
 40.66°N 74.84°W (Elev. 335 ft)
9:43 pm EDT Jun 28, 2026
3am EDT Jun 29, 2026-6pm EDT Jul 5, 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