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

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.

12°F

-11°C

Humidity 67%
Wind Speed Calm
Barometer 30.26 in (1026.3 mb)
Dewpoint 3°F (-16°C)
Visibility NA
Last update 9 Dec 1:54 am EST
Extended Forecast for

Stillwater NJ

  • Overnight

    Overnight: Mostly clear, with a low around 8. Calm wind.

    Low: 8 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 31. Calm wind becoming south around 5 mph in the afternoon.

    High: 31 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22. Southwest wind around 5 mph.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow before 10am, then snow, possibly mixed with rain between 10am and 4pm, then rain after 4pm. High near 40. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 40 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain, mainly before 7pm. Low around 26. Southwest wind 5 to 10 mph, with gusts as high as 20 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 36.

    High: 36 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly 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 20. Chance of precipitation is 40%.

    Low: 20 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 8. Calm wind.
Tuesday
Increasing clouds, with a high near 31. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 22. Southwest wind around 5 mph.
Wednesday
Snow before 10am, then snow, possibly mixed with rain between 10am and 4pm, then rain after 4pm. High near 40. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Wednesday Night
Rain, mainly before 7pm. Low around 26. Southwest wind 5 to 10 mph, with gusts as high as 20 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 36.
Thursday Night
Mostly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 34.
Friday Night
A chance of snow. Mostly cloudy, with a low around 20. Chance of precipitation is 40%.
Saturday
Mostly cloudy, with a high near 36.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 12.
Monday
Mostly sunny, with a high near 26.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Stillwater NJ
 41.06°N 74.85°W (Elev. 499 ft)
Last Update:
2:26 am EST Dec 9, 2025
Forecast Valid:
2am EST Dec 9, 2025-6pm EST Dec 15, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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