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

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fair

18°F

-8°C

Humidity 92%
Wind Speed Calm
Barometer 30.01 in (1018.0 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 15 Feb 1:56 am EST
Extended Forecast for

De Lancey NY

  • Overnight

    Overnight: Patchy fog. Patchy freezing fog. Otherwise, mostly cloudy, with a low around 18. Calm wind.

    Low: 18 °F

    Patchy
    Freezing Fog
    and Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 10am. Patchy freezing fog before 10am. Otherwise, partly sunny, with a high near 39. Light and variable wind.

    High: 39 °F

    Patchy
    Freezing Fog
    and Patchy
    Fog then
    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of snow showers, mainly between 10pm and 2am. Mostly cloudy, with a low around 26. Calm wind. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Chance Snow
    Showers

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 39. Light south wind.

    High: 39 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of rain and snow showers between 1am and 4am, then a slight chance of rain showers after 4am. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 20%.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain. High near 39. Chance of precipitation is 90%.

    High: 39 °F

    Rain Likely
    then Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 70%.

    Low: 31 °F

    Rain Likely
    then
    Rain/Snow
    Likely

Detailed Forecast

Overnight
Patchy fog. Patchy freezing fog. Otherwise, mostly cloudy, with a low around 18. Calm wind.
Sunday
Patchy fog before 10am. Patchy freezing fog before 10am. Otherwise, partly sunny, with a high near 39. Light and variable wind.
Sunday Night
A chance of snow showers, mainly between 10pm and 2am. Mostly cloudy, with a low around 26. Calm wind. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Washington's Birthday
Partly sunny, with a high near 39. Light south wind.
Monday Night
A slight chance of rain and snow showers between 1am and 4am, then a slight chance of rain showers after 4am. Mostly cloudy, with a low around 30. Calm wind. Chance of precipitation is 20%.
Tuesday
Mostly cloudy, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
Rain. High near 39. Chance of precipitation is 90%.
Wednesday Night
Rain likely before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 70%.
Thursday
A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 40. Chance of precipitation is 30%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Friday
Rain and snow likely. Mostly cloudy, with a high near 39. Chance of precipitation is 70%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 50%.
Saturday
A chance of snow. Mostly cloudy, with a high near 34. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
De Lancey NY
 42.2°N 74.98°W (Elev. 1368 ft)
Last Update:
12:04 am EST Feb 15, 2026
Forecast Valid:
2am EST Feb 15, 2026-6pm EST Feb 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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