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

60°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 29.98 in (1014.5 mb)
Dewpoint 60°F (16°C)
Visibility 8.00 mi
Last update 15 Apr 7:56 am EDT
Extended Forecast for

Monticello NY

  • Today

    Today: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 78. Light west wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a chance of showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 60. West wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 60 °F

    Heavy Rain

  • Thursday

    Thursday: A slight chance of showers before 7am, then a slight chance of showers after 2pm. Partly sunny, with a high near 80. Southwest wind 6 to 10 mph. Chance of precipitation is 20%.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly between 8pm and 2am. Mostly cloudy, with a low around 58. West wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 71. West wind around 7 mph. Chance of precipitation is 50%.

    High: 71 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.

    Low: 45 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.

    High: 57 °F

    Showers
    Likely

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 78. Light west wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 2am, then a chance of showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 60. West wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A slight chance of showers before 7am, then a slight chance of showers after 2pm. Partly sunny, with a high near 80. Southwest wind 6 to 10 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers, mainly between 8pm and 2am. Mostly cloudy, with a low around 58. West wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 71. West wind around 7 mph. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Partly sunny, with a high near 70.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Sunday Night
Rain showers likely, possibly mixing with snow after 11pm, then gradually ending. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Sunny, with a high near 53.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monticello NY
 41.66°N 74.7°W (Elev. 1545 ft)
Last Update:
5:51 am EDT Apr 15, 2026
Forecast Valid:
8am EDT Apr 15, 2026-6pm EDT Apr 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