Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Mostly Cloudy

85°F

29°C

Humidity 53%
Wind Speed Calm
Barometer 29.85 in (1010.5 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 18 Aug 2:53 pm EDT
Extended Forecast for

Raritan NJSimilar City Names

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms.  Mostly sunny, with a high near 86. Northwest wind around 5 mph.  Chance of precipitation is 20%.

    High: 86 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Patchy fog after 10pm.  Otherwise, partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Patchy Fog

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 84. Calm wind.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 62. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am.  Partly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers.  Partly sunny, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly sunny, with a high near 86. Northwest wind around 5 mph. Chance of precipitation is 20%.
Tonight
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 64. Calm wind.
Wednesday
Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 67. Calm wind.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 83.
Friday Night
A chance of showers after 2am. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 61. Chance of precipitation is 60%.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Raritan NJSimilar City Names
 40.56°N 74.63°W (Elev. 69 ft)
2:34 pm EDT Aug 18, 2026
3pm EDT Aug 18, 2026-6pm EDT Aug 25, 2026
 
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Additional Resources

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