Severe Weather and Heavy Rainfall in the Midwest and Desert Southwest; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall are possible in the Midwest into the Central Appalachians and the Desert Southwest early this week. Storms are also expected in parts of the northern Plains today. Fire weather and air quality concerns will persist across portions of the West. Mid-summer heat will continue across much of the CONUS this week, especially in the the south-central High Plains. Read More >

Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fair

78°F

26°C

Humidity 62%
Wind Speed Vrbl 5 mph
Barometer 30.03 in (1016.0 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 10 Aug 8:53 am EDT
Extended Forecast for

Monmouth Junction NJ

  • Today

    Today: Showers and thunderstorms likely, mainly after 5pm.  Mostly sunny, with a high near 92. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Mostly Sunny
    then T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 11pm.  Mostly cloudy, with a low around 71. West wind around 5 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    T-storms
    Likely then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. West wind 5 to 10 mph.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 2am.  Mostly cloudy, with a low around 68. Calm wind.  Chance of precipitation is 20%.

    Low: 68 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. Calm wind becoming northwest around 5 mph.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers, then a chance of showers and thunderstorms after 2am.  Partly cloudy, with a low around 68. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 8am.  Mostly sunny, with a high near 88. Chance of precipitation is 30%.

    High: 88 °F

    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 92. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 71. West wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 89. West wind 5 to 10 mph.
Tuesday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 87. Calm wind becoming northwest around 5 mph.
Wednesday Night
A slight chance of showers, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Thursday
A chance of showers before 8am. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
A chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Monmouth Junction NJ
 40.37°N 74.52°W (Elev. 98 ft)
7:00 am EDT Aug 10, 2026
9am EDT Aug 10, 2026-6pm EDT Aug 16, 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