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.

Partly Cloudy

71°F

22°C

Humidity 66%
Wind Speed Calm
Barometer 29.90 in (1012.1 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 15 Apr 8:56 pm EDT
Extended Forecast for

2 Miles ESE Youngsville NY

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 2am. Some of the storms could be severe. Areas of fog after 5am. Otherwise, mostly cloudy, with a low around 59. Light west wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Severe
    Thunderstorms
    and Areas Fog

  • Thursday

    Thursday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 79. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 79 °F

    Areas Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 57. Southwest wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers after 8am. Partly sunny, with a high near 69. Northwest wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. Light and variable wind.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 51. Chance of precipitation is 60%.

    High: 51 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of rain and snow showers before 11pm, then a chance of snow showers between 11pm and 2am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.

    Low: 26 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 2am. Some of the storms could be severe. Areas of fog after 5am. Otherwise, mostly cloudy, with a low around 59. Light west wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 79. Calm wind becoming southwest 5 to 8 mph in the morning.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 57. Southwest wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers after 8am. Partly sunny, with a high near 69. Northwest wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 51. Light and variable wind.
Saturday
Partly sunny, with a high near 68.
Saturday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 51. Chance of precipitation is 60%.
Sunday Night
A chance of rain and snow showers before 11pm, then a chance of snow showers between 11pm and 2am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 40.
Monday Night
Mostly clear, with a low around 23.
Tuesday
Sunny, with a high near 52.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 37. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Youngsville NY
 41.81°N 74.85°W (Elev. 1450 ft)
Last Update:
3:13 pm EDT Apr 15, 2026
Forecast Valid:
9pm EDT Apr 15, 2026-6pm EDT Apr 22, 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