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

Fire Weather Concerns West; Thunderstorms in the Upper Midwest

Dry and breezy conditions will enhance fire weather concerns across portions of the northern and central High Plains through Saturday, where fuels remain largely receptive. Severe thunderstorms are possible across portions of central Nebraska to the Upper Midwest this Friday afternoon into tonight. Read More >

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Fair

68°F

20°C

Humidity 96%
Wind Speed Calm
Barometer 29.90 in (1012.2 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 11 Sep 1:53 am EDT
Extended Forecast for

Long Valley NJ

  • Overnight

    Overnight: Mostly cloudy, with a low around 63. North wind around 5 mph.

    Low: 63 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 79. North wind around 5 mph.

    High: 79 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. Calm wind becoming north around 5 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 80. Northeast wind around 5 mph becoming south in the afternoon.

    High: 80 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am, then showers and possibly a thunderstorm between 2am and 5am, then showers after 5am. Low around 65. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 65 °F

    Chance
    Showers then
    Showers

  • Sunday

    Sunday: Showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm. High near 81. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 63. North wind around 5 mph.
Friday
Partly sunny, with a high near 79. North wind around 5 mph.
Friday Night
Mostly clear, with a low around 56. Calm wind becoming north around 5 mph.
Saturday
Increasing clouds, with a high near 80. Northeast wind around 5 mph becoming south in the afternoon.
Saturday Night
A chance of showers and thunderstorms before 2am, then showers and possibly a thunderstorm between 2am and 5am, then showers after 5am. Low around 65. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm. High near 81. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Long Valley NJ
 40.8°N 74.76°W (Elev. 600 ft)
Last Update:
4:09 pm EDT Sep 10, 2026
Forecast Valid:
1am EDT Sep 11, 2026-6pm EDT Sep 17, 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