Heavy Rainfall and Flash Flood Threats From the Lower Mississippi Valley Into the Mid-Atlantic; Elevated to Critical Fire Concerns Out West

Heavy rainfall will continue through midweek from the lower Mississippi Valley to the Mid-Atlantic. Elevated to critical fire weather threat continues across the Central Great Basin and the Central Rockies; and there is an elevated fire risk from southwestern Oregon to northern California. Record river flooding will continue in portions of the Midwest and the Carolinas. Read More >

Hazardous Weather Conditions

Current conditions at

Trenton, Mercer County Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Overcast

62°F

17°C

Humidity 93%
Wind Speed E 3 mph
Barometer 30.30 in (1025.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 24 Sep 3:53 am EDT
Extended Forecast for

Princeton NJ

  • Overnight

    Overnight: A slight chance of rain.  Mostly cloudy, with a low around 57. Northeast wind around 7 mph.  Chance of precipitation is 20%.

    Slight Chance
    Rain

    Low: 57 °F

  • Monday

    Monday: A slight chance of rain before 7am, then a slight chance of rain after 1pm.  Partly sunny, with a high near 65. East wind 9 to 15 mph.  Chance of precipitation is 20%.

    Mostly Sunny
    then Slight
    Chance Rain

    High: 65 °F

  • Monday
    Night

    Monday Night: Rain, mainly after 10pm.  Low around 59. East wind around 14 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Rain

    Low: 59 °F

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 2pm, then showers likely.  High near 74. South wind around 10 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Showers

    High: 74 °F

  • Tuesday
    Night

    Tuesday Night: Showers likely, mainly before 8pm.  Cloudy, with a low around 68. South wind 5 to 7 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Showers
    Likely

    Low: 68 °F

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 2pm.  Mostly cloudy, with a high near 81. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers then
    T-storms
    Likely

    High: 81 °F

  • Wednesday
    Night

    Wednesday Night: Showers and thunderstorms likely before 8pm, then a chance of showers.  Mostly cloudy, with a low around 60. Chance of precipitation is 60%.

    T-storms
    Likely then
    Chance
    Showers

    Low: 60 °F

  • Thursday

    Thursday: Partly sunny, with a high near 70.

    Partly Sunny

    High: 70 °F

  • Thursday
    Night

    Thursday Night: A chance of showers.  Mostly cloudy, with a low around 59. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 59 °F

Detailed Forecast

Overnight
A slight chance of rain. Mostly cloudy, with a low around 57. Northeast wind around 7 mph. Chance of precipitation is 20%.
Monday
A slight chance of rain before 7am, then a slight chance of rain after 1pm. Partly sunny, with a high near 65. East wind 9 to 15 mph. Chance of precipitation is 20%.
Monday Night
Rain, mainly after 10pm. Low around 59. East wind around 14 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Showers and possibly a thunderstorm before 2pm, then showers likely. High near 74. South wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely, mainly before 8pm. Cloudy, with a low around 68. South wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 8pm, then a chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Thursday
Partly sunny, with a high near 70.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Mostly sunny, with a high near 73.
Click Map For Forecast
Point Forecast:
Princeton NJ
 40.37°N 74.67°W (Elev. 256 ft)
3:38 am EDT Sep 24, 2018
4am EDT Sep 24, 2018-6pm EDT Sep 30, 2018
 
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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