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.

Fair

36°F

2°C

Humidity 89%
Wind Speed Calm
Barometer 30.05 in (1019.0 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 17 Feb 7:56 pm EST
Extended Forecast for

De Lancey NY

Winter Weather Advisory February 18, 12:00pm until February 19, 04:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Areas of fog. Otherwise, mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Areas Fog

  • Wednesday

    Wednesday: Showers, mainly between 10am and 1pm, then rain after 1pm. Patchy fog before 9am. High near 40. Light southeast wind. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 40 °F

    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Rain likely before 4am, then a chance of snow. Mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 29 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of snow before 7am. Mostly cloudy, with a high near 40. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 40 °F

    Chance Snow
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 29. Light southeast wind. Chance of precipitation is 40%.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Friday

    Friday: Rain, possibly mixed with snow showers. High near 39. Chance of precipitation is 90%.

    High: 39 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain showers likely before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.

    Low: 30 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of snow showers. Partly sunny, with a high near 37. Chance of precipitation is 30%.

    High: 37 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Tonight
Areas of fog. Otherwise, mostly cloudy, with a low around 31. Calm wind.
Wednesday
Showers, mainly between 10am and 1pm, then rain after 1pm. Patchy fog before 9am. High near 40. Light southeast wind. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Rain likely before 4am, then a chance of snow. Mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
A chance of snow before 7am. Mostly cloudy, with a high near 40. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 29. Light southeast wind. Chance of precipitation is 40%.
Friday
Rain, possibly mixed with snow showers. High near 39. Chance of precipitation is 90%.
Friday Night
Rain showers likely before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Saturday
A chance of snow showers. Partly sunny, with a high near 37. Chance of precipitation is 30%.
Saturday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 32. Chance of precipitation is 50%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 20. Chance of precipitation is 50%.
Monday
A chance of snow showers. Mostly cloudy, with a high near 29. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 9.
Tuesday
Mostly sunny, with a high near 20.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
De Lancey NY
 42.2°N 74.98°W (Elev. 1368 ft)
Last Update:
5:46 pm EST Feb 17, 2026
Forecast Valid:
8pm EST Feb 17, 2026-6pm EST Feb 24, 2026
 
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