Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

8°F

-13°C

Humidity 76%
Wind Speed Calm
Barometer 30.24 in (1025.9 mb)
Dewpoint 2°F (-17°C)
Visibility NA
Last update 9 Dec 4:54 am EST
Extended Forecast for

Picatinny Arsenal NJ

  • Today

    Today: Increasing clouds, with a high near 29. Calm wind becoming south around 5 mph in the afternoon.

    High: 29 °F

    Increasing
    Clouds

  • Tonight

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

    Low: 24 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow likely, possibly mixed with freezing rain and sleet before 1pm, then snow, possibly mixed with rain between 1pm and 4pm, then rain after 4pm.  High near 38. South wind 5 to 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. Little or no ice accumulation expected.  New snow and sleet accumulation of less than one inch possible.

    High: 38 °F

    Wintry Mix

  • Wednesday Night

    Wednesday Night: Rain, mainly before 7pm.  Low around 26. Southwest wind around 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 26 °F

    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 34. West wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 34 °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 33.

    High: 33 °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

  • Saturday

    Saturday: Mostly cloudy, with a high near 34.

    High: 34 °F

    Mostly Cloudy

Detailed Forecast

Today
Increasing clouds, with a high near 29. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 24. Southwest wind around 5 mph.
Wednesday
Snow likely, possibly mixed with freezing rain and sleet before 1pm, then snow, possibly mixed with rain between 1pm and 4pm, then rain after 4pm. High near 38. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow and sleet accumulation of less than one inch possible.
Wednesday Night
Rain, mainly before 7pm. Low around 26. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly sunny, with a high near 34. West wind 10 to 15 mph, with gusts as high as 30 mph.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 33.
Friday Night
A chance of snow. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Saturday
Mostly cloudy, with a high near 34.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 28.
Sunday Night
Partly cloudy, with a low around 13.
Monday
Mostly sunny, with a high near 24.
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ABOUT THIS FORECAST

 
Point Forecast:
Picatinny Arsenal NJ
 40.95°N 74.55°W (Elev. 860 ft)
4:09 am EST Dec 9, 2025
5am EST Dec 9, 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