Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Mostly Cloudy

34°F

1°C

Humidity 56%
Wind Speed NW 13 G 18 mph
Barometer 30.11 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 8 Dec 2:35 am EST
Extended Forecast for

Mountain Lakes NJ

  • Overnight

    Overnight: Mostly clear, with a low around 21. North wind around 10 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 28. North wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 28 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 11. Calm wind.

    Low: 11 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 32. Calm wind becoming south around 5 mph in the afternoon.

    High: 32 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A slight chance of snow after 1am.  Mostly cloudy, with a low around 26. Southwest wind around 5 mph.  Chance of precipitation is 20%.

    Low: 26 °F

    Cloudy then
    Slight Chance
    Snow

  • Wednesday

    Wednesday: Rain likely, possibly mixed with snow, becoming all rain after 1pm.  Mostly cloudy, with a high near 42. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am.  Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of snow after 1am.  Mostly cloudy, with a low around 25. Chance of precipitation is 30%.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 21. North wind around 10 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 28. North wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 11. Calm wind.
Tuesday
Increasing clouds, with a high near 32. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 26. Southwest wind around 5 mph. Chance of precipitation is 20%.
Wednesday
Rain likely, possibly mixed with snow, becoming all rain after 1pm. Mostly cloudy, with a high near 42. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 39.
Thursday Night
A chance of snow after 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Friday
A chance of snow. Partly sunny, with a high near 35. Chance of precipitation is 30%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
Mountain Lakes NJ
 40.9°N 74.44°W (Elev. 656 ft)
6:09 pm EST Dec 7, 2025
2am EST Dec 8, 2025-6pm EST Dec 14, 2025
 
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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