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

Hazardous Weather Conditions

Current conditions at

Sussex, Sussex Airport (KFWN)

Lat: 41.2°NLon: 74.63°WElev: 410ft.

Light Snow

33°F

1°C

Humidity 82%
Wind Speed NE 3 mph
Barometer 29.90 in (1013.0 mb)
Dewpoint 28°F (-2°C)
Visibility 3.00 mi
Last update 18 Jan 2:53 pm EST
Extended Forecast for

3 Miles WNW Slate Hill NY

Winter Weather Advisory January 18, 03:35pm until January 19, 12:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 18, 03:35pm until January 19, 12:00am

    NOW until 12:00am Mon

    Winter Weather Advisory

  • This Afternoon

    High: 30 °F

    Snow Likely

  • Tonight

    Tonight: A 30 percent chance of snow before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 14. Wind chill values between 5 and 10. Northwest wind 3 to 6 mph.

    Low: 14 °F

    Chance Snow
    then Mostly
    Cloudy

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 27. Wind chill values between 10 and 15. Southwest wind 5 to 14 mph, with gusts as high as 26 mph.

    High: 27 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 9. Wind chill values between zero and 5. West wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 9 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and cold, with a high near 18. West wind 9 to 15 mph, with gusts as high as 28 mph.

    High: 18 °F

    Cold

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 3.

    Low: 3 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow likely, mainly before 4pm. Cloudy, with a high near 30. North wind 3 to 5 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
A 30 percent chance of snow before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 14. Wind chill values between 5 and 10. Northwest wind 3 to 6 mph.
M.L.King Day
Partly sunny, with a high near 27. Wind chill values between 10 and 15. Southwest wind 5 to 14 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 9. Wind chill values between zero and 5. West wind 9 to 11 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny and cold, with a high near 18. West wind 9 to 15 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 3.
Wednesday
Mostly sunny, with a high near 26.
Wednesday Night
Mostly cloudy, with a low around 20.
Thursday
Mostly sunny, with a high near 32.
Thursday Night
Partly cloudy, with a low around 11.
Friday
Mostly sunny, with a high near 27.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 28.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 10.
Sunday
A chance of snow. Partly sunny and cold, with a high near 20.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Slate Hill NY
 41.38°N 74.55°W (Elev. 906 ft)
Last Update:
10:00 am EST Jan 18, 2026
Forecast Valid:
3pm EST Jan 18, 2026-6pm EST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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