National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Critical Fire Weather in the Plains; Severe Thunderstorms in the Upper Mississippi Valley and Great Lakes

Anomalously warm, dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the Intermountain West into the central and southern Plains today. Strong to severe thunderstorms are possible across portions of the upper Mississippi River Valley to the Great Lakes tonight through the day Tuesday. Damaging gusts, hail, and heavy rainfall are likely. Read More >

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

A Few Clouds

52°F

11°C

Humidity 66%
Wind Speed S 6 mph
Barometer 30.20 in (1022.8 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 30 Mar 8:53 am EDT
Extended Forecast for

South Plainfield NJ

  • Today

    Today: Isolated showers after 2pm. Partly sunny, with a high near 67. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 67 °F

    Partly Sunny
    then Isolated
    Showers

  • Tonight

    Tonight: Scattered showers, mainly after 10pm. Mostly cloudy, with a low around 57. Southwest wind 5 to 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers and thunderstorms before 1pm, then isolated showers between 1pm and 2pm. Mostly cloudy, with a high near 78. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 64. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain, then rain likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain likely and possibly a thunderstorm before 2am, then a chance of rain and thunderstorms after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain before 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 30%.

    High: 64 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain after 8pm. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.

    Low: 49 °F

    Chance Rain

  • Friday

    Friday: A chance of rain after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.

    High: 74 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
Isolated showers after 2pm. Partly sunny, with a high near 67. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tonight
Scattered showers, mainly after 10pm. Mostly cloudy, with a low around 57. Southwest wind 5 to 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Scattered showers and thunderstorms before 1pm, then isolated showers between 1pm and 2pm. Mostly cloudy, with a high near 78. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly cloudy, with a low around 64. Southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
A chance of rain, then rain likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain likely and possibly a thunderstorm before 2am, then a chance of rain and thunderstorms after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of rain before 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 30%.
Thursday Night
A chance of rain after 8pm. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Friday
A chance of rain after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.
Friday Night
A chance of rain before 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Saturday
A chance of rain. Mostly cloudy, with a high near 75. Chance of precipitation is 30%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
Sunday
A chance of rain. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Plainfield NJ
 40.58°N 74.42°W (Elev. 89 ft)
Last Update:
4:10 am EDT Mar 30, 2026
Forecast Valid:
10am EDT Mar 30, 2026-6pm EDT Apr 5, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation