Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

A Few Clouds

75°F

24°C

Humidity 48%
Wind Speed W 5 mph
Barometer 29.78 in (1008.3 mb)
Dewpoint 54°F (12°C)
Visibility 9.00 mi
Last update 20 Jun 6:53 pm EDT
Extended Forecast for

3 Miles S Long Valley NJ

  • Tonight

    Tonight: Isolated showers before 8pm.  Mostly clear, with a low around 57. Northwest wind 10 to 15 mph becoming light  in the evening.  Chance of precipitation is 20%.

    Low: 57 °F

    Isolated
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Light northwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 58. Northwest wind around 5 mph becoming calm.

    Low: 58 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall.  High near 75. Calm wind becoming east around 5 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 75 °F

    Chance
    Showers then
    Heavy Rain

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 61. Southeast wind around 5 mph becoming southwest after midnight.  Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 61 °F

    Heavy Rain

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 77. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Isolated showers before 8pm. Mostly clear, with a low around 57. Northwest wind 10 to 15 mph becoming light in the evening. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 79. Light northwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 58. Northwest wind around 5 mph becoming calm.
Monday
A chance of showers, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. High near 75. Calm wind becoming east around 5 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Monday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 61. Southeast wind around 5 mph becoming southwest after midnight. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 40%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Friday Night
A chance of thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Long Valley NJ
 40.74°N 74.77°W (Elev. 804 ft)
6:36 pm EDT Jun 20, 2026
7pm EDT Jun 20, 2026-6pm EDT Jun 27, 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