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.

Mostly Cloudy

23°F

-5°C

Humidity 40%
Wind Speed SW 6 mph
Barometer 29.97 in (1017.6 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 9 Dec 2:56 pm EST
Extended Forecast for

5 Miles NNE Sundown NY

Winter Weather Advisory December 10, 04:00am until December 11, 01:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: A chance of snow, mainly after 5am. Mostly cloudy, with a low around 13. Wind chill values as low as -2. Southwest wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 13 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow, mainly before 5pm. The snow could be heavy at times. High near 32. South wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 32 °F

    Heavy Snow

  • Wednesday Night

    Wednesday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 14. Breezy, with a southwest wind 17 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New snow accumulation of around an inch possible.

    Low: 14 °F

    Chance Snow
    Showers and
    Breezy

  • Thursday

    Thursday: A slight chance of snow showers after 1pm. Partly sunny, with a high near 22. Wind chill values as low as -1. Breezy, with a west wind 18 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

    High: 22 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 12. Breezy, with a west wind 17 to 20 mph.

    Low: 12 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow after 1am. Mostly cloudy, with a low around 12. Chance of precipitation is 30%.

    Low: 12 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 28. Chance of precipitation is 30%.

    High: 28 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 14. Chance of precipitation is 50%.

    Low: 14 °F

    Chance Snow

Detailed Forecast

Tonight
A chance of snow, mainly after 5am. Mostly cloudy, with a low around 13. Wind chill values as low as -2. Southwest wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Snow, mainly before 5pm. The snow could be heavy at times. High near 32. South wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Wednesday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 14. Breezy, with a southwest wind 17 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New snow accumulation of around an inch possible.
Thursday
A slight chance of snow showers after 1pm. Partly sunny, with a high near 22. Wind chill values as low as -1. Breezy, with a west wind 18 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 12. Breezy, with a west wind 17 to 20 mph.
Friday
Partly sunny, with a high near 24.
Friday Night
A chance of snow after 1am. Mostly cloudy, with a low around 12. Chance of precipitation is 30%.
Saturday
A chance of snow. Mostly cloudy, with a high near 28. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 14. Chance of precipitation is 50%.
Sunday
A chance of snow. Mostly cloudy, with a high near 24. Chance of precipitation is 50%.
Sunday Night
Mostly cloudy, with a low around 4.
Monday
Partly sunny, with a high near 18.
Monday Night
A chance of snow. Mostly cloudy, with a low around 6. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Sundown NY
 41.96°N 74.44°W (Elev. 2451 ft)
Last Update:
12:53 pm EST Dec 9, 2025
Forecast Valid:
3pm EST Dec 9, 2025-6pm EST Dec 16, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation