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

Sussex, Sussex Airport (KFWN)

Lat: 41.2°NLon: 74.63°WElev: 410ft.

Fog/Mist

66°F

19°C

Humidity 90%
Wind Speed Calm
Barometer 30.02 in (1016.2 mb)
Dewpoint 63°F (17°C)
Visibility 1.25 mi
Last update 28 Jun 7:53 am EDT
Extended Forecast for

Glenwood 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 chance of showers and thunderstorms, mainly after 5pm.  Patchy fog before 10am.  Otherwise, partly sunny, with a high near 81. Calm wind becoming northeast around 5 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Patchy Fog
    then Chance
    Showers

  • Tonight

    Tonight: Patchy fog after midnight.  Otherwise, partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 9am.  Otherwise, sunny, with a high near 84. Calm wind.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. Calm wind becoming southwest around 5 mph.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 86. Southwest wind 5 to 10 mph.  Chance of precipitation is 20%.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

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

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly after 5pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 81. Calm wind becoming northeast around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 61. Calm wind.
Monday
Patchy fog before 9am. Otherwise, sunny, with a high near 84. Calm wind.
Monday Night
Mostly clear, with a low around 64. Calm wind becoming southwest around 5 mph.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
Mostly clear, with a low around 74.
Friday
Sunny and hot, with a high near 97.
Friday Night
Mostly clear, with a low around 71.
Independence Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Glenwood NJ
 41.26°N 74.52°W (Elev. 850 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

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Hourly Weather Forecast

National Digital Forecast Database