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

Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Sussex, Sussex Airport (KFWN)

Lat: 41.2°NLon: 74.63°WElev: 410ft.

Overcast

29°F

-2°C

Humidity 43%
Wind Speed Calm
Barometer 30.20 in (1023.3 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 21 Jan 5:53 pm EST
Extended Forecast for

Sussex NJ

  • Tonight

    Tonight: A chance of flurries before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 26. Southwest wind around 5 mph.

    Low: 26 °F

    Chance
    Flurries

  • Thursday

    Thursday: Mostly sunny, with a high near 42. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 18. West wind around 5 mph.

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 32 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 4. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 4 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 15.

    High: 15 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 5. Chance of precipitation is 50%.

    Low: 5 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow. High near 18. Chance of precipitation is 80%.

    High: 18 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely. Cloudy, with a low around 11. Chance of precipitation is 70%.

    Low: 11 °F

    Snow Likely

Detailed Forecast

Tonight
A chance of flurries before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 26. Southwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 42. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 18. West wind around 5 mph.
Friday
Partly sunny, with a high near 32. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 4. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 15.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 5. Chance of precipitation is 50%.
Sunday
Snow. High near 18. Chance of precipitation is 80%.
Sunday Night
Snow likely. Cloudy, with a low around 11. Chance of precipitation is 70%.
Monday
A chance of snow before 1pm. Mostly cloudy, with a high near 24. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 4.
Tuesday
Sunny, with a high near 22.
Tuesday Night
Partly cloudy, with a low around 4.
Wednesday
Partly sunny, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sussex NJ
 41.21°N 74.62°W (Elev. 407 ft)
Last Update:
4:11 pm EST Jan 21, 2026
Forecast Valid:
6pm EST Jan 21, 2026-6pm EST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation