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.

Overcast

65°F

18°C

Humidity 93%
Wind Speed S 6 mph
Barometer 29.86 in (1010.7 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 23 Aug 8:56 am EDT
Extended Forecast for

De Lancey NY

  • Today

    Today: Showers and thunderstorms likely, mainly before 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 74. Southwest wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers
    Likely

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly between 7pm and 8pm. Partly cloudy, with a low around 50. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Scattered
    T-storms then
    Mostly Clear

  • Monday

    Monday: Scattered showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 70. Calm wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers, mainly before 7pm. Mostly cloudy, with a low around 50. Light southwest wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Scattered
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Scattered showers, mainly after 2pm. Partly sunny, with a high near 71. West wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 71 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers before 8pm. Partly cloudy, with a low around 49. Chance of precipitation is 30%.

    Low: 49 °F

    Scattered
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 60%.

    High: 78 °F

    Mostly Sunny
    then Showers
    Likely

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 74. Southwest wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Scattered showers and thunderstorms, mainly between 7pm and 8pm. Partly cloudy, with a low around 50. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Scattered showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 70. Calm wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Scattered showers, mainly before 7pm. Mostly cloudy, with a low around 50. Light southwest wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Scattered showers, mainly after 2pm. Partly sunny, with a high near 71. West wind 5 to 8 mph. Chance of precipitation is 30%.
Tuesday Night
Scattered showers before 8pm. Partly cloudy, with a low around 49. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
De Lancey NY
 42.2°N 74.98°W (Elev. 1368 ft)
Last Update:
2:30 am EDT Aug 23, 2026
Forecast Valid:
9am EDT Aug 23, 2026-6pm EDT Aug 29, 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