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

Hazardous Weather Conditions

Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Unknown Precip Freezing Fog

31°F

-1°C

Humidity 100%
Wind Speed E 3 mph
Barometer 29.49 in (1000.2 mb)
Dewpoint 31°F (-1°C)
Visibility 0.25 mi
Last update 29 Dec 4:56 am EST
Extended Forecast for

South Fallsburg NY

Wind Advisory December 29, 10:00am until December 30, 07:00pm
Dense Fog Advisory December 29, 05:33am until December 29, 10:00am
Click here for hazard details and duration
Wind Advisory
Dense Fog Advisory
  •  
    Dense Fog Advisory December 29, 05:33am until December 29, 10:00am

    NOW until 10:00am Mon

    Dense Fog Advisory

  • Overnight

    Low: 28 °F

    Chance
    Showers

  • Monday

    Monday: Showers, mainly before 10am. High near 43. South wind 9 to 18 mph becoming west in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Showers then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of snow showers between 1am and 4am. Mostly cloudy, with a low around 17. Breezy, with a west wind 18 to 23 mph, with gusts as high as 45 mph. Chance of precipitation is 20%.

    Low: 17 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 24. Wind chill values as low as -1. Breezy, with a west wind 17 to 23 mph, with gusts as high as 45 mph.

    High: 24 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 18. West wind 10 to 17 mph, with gusts as high as 31 mph.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow showers after 1pm. Mostly cloudy, with a high near 27. Chance of precipitation is 30%.

    High: 27 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 10. Chance of precipitation is 50%.

    Low: 10 °F

    Chance Snow
    Showers

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

Detailed Forecast

Overnight
A chance of showers. Cloudy, with a low around 28. South wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, mainly before 10am. High near 43. South wind 9 to 18 mph becoming west in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A slight chance of snow showers between 1am and 4am. Mostly cloudy, with a low around 17. Breezy, with a west wind 18 to 23 mph, with gusts as high as 45 mph. Chance of precipitation is 20%.
Tuesday
Mostly cloudy, with a high near 24. Wind chill values as low as -1. Breezy, with a west wind 17 to 23 mph, with gusts as high as 45 mph.
Tuesday Night
Mostly cloudy, with a low around 18. West wind 10 to 17 mph, with gusts as high as 31 mph.
Wednesday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 27. Chance of precipitation is 30%.
Wednesday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 10. Chance of precipitation is 50%.
New Year's Day
Mostly sunny, with a high near 20.
Thursday Night
Partly cloudy, with a low around 6.
Friday
Mostly sunny, with a high near 21.
Friday Night
Partly cloudy, with a low around 9.
Saturday
Partly sunny, with a high near 25.
Saturday Night
Mostly cloudy, with a low around 10.
Sunday
Mostly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Fallsburg NY
 41.69°N 74.64°W (Elev. 1302 ft)
Last Update:
4:57 am EST Dec 29, 2025
Forecast Valid:
5am EST Dec 29, 2025-6pm EST Jan 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation