Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Fair

25°F

-4°C

Humidity 29%
Wind Speed N 3 mph
Barometer 30.30 in (1026.2 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Last update 8 Dec 6:53 pm EST
Extended Forecast for

Long Valley NJ

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 11. North wind around 5 mph becoming calm.

    Low: 11 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Increasing clouds, with a high near 30. Calm wind becoming south around 5 mph in the afternoon.

    High: 30 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24. Southwest wind around 5 mph.

    Low: 24 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow and freezing rain likely before 10am, then rain and snow likely between 10am and 1pm, then rain after 1pm.  High near 41. South wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. Little or no ice accumulation expected.  New snow accumulation of less than a half inch possible.

    High: 41 °F

    Wintry Mix

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am.  Mostly cloudy, with a low around 29. Southwest wind around 5 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 29 °F

    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of snow.  Mostly cloudy, with a low around 22. Chance of precipitation is 40%.

    Low: 22 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 11. North wind around 5 mph becoming calm.
Tuesday
Increasing clouds, with a high near 30. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 24. Southwest wind around 5 mph.
Wednesday
Snow and freezing rain likely before 10am, then rain and snow likely between 10am and 1pm, then rain after 1pm. High near 41. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 29. Southwest wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly sunny, with a high near 36.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 34.
Friday Night
A chance of snow. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 33.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 29.
Sunday Night
Partly cloudy, with a low around 14.
Monday
Mostly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
Long Valley NJ
 40.78°N 74.76°W (Elev. 725 ft)
4:10 pm EST Dec 8, 2025
7pm EST Dec 8, 2025-6pm EST Dec 15, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database