Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fair

73°F

23°C

Humidity 84%
Wind Speed W 5 mph
Barometer 30.05 in (1016.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 3 Jul 4:56 am EDT
Extended Forecast for

3 Miles SSW Lake Delaware NY

Extreme Heat Warning July 3, 05:22am until July 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 3, 05:22am until July 3, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Today

    High: 88 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 11pm.  Mostly cloudy, with a low around 65. West wind 3 to 5 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    T-storms

  • Independence Day

    Independence Day: A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 81. West wind 6 to 8 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers, mainly after 2am.  Mostly cloudy, with a low around 61. Light north wind.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 77. Light east wind.  Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am.  Mostly cloudy, with a low around 59. Chance of precipitation is 70%.

    Low: 59 °F

    Showers
    Likely

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm.  High near 73. Chance of precipitation is 80%.

    High: 73 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 57. Chance of precipitation is 70%.

    Low: 57 °F

    Showers
    Likely

Detailed Forecast

Today
A slight chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 88. Light west wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 65. West wind 3 to 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Independence Day
A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 81. West wind 6 to 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 61. Light north wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Light east wind. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Monday
Showers, with thunderstorms also possible after 2pm. High near 73. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Lake Delaware NY
 42.2°N 74.86°W (Elev. 2244 ft)
2:30 am EDT Jul 3, 2026
5am EDT Jul 3, 2026-6pm EDT Jul 9, 2026
 
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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