Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Overcast

71°F

22°C

Humidity 76%
Wind Speed SE 9 mph
Barometer 29.99 in (1015.1 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 22 Aug 5:56 pm EDT
Extended Forecast for

Black Lake NY

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 2am.  Mostly cloudy, with a low around 60. Southeast wind around 6 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before noon, then scattered showers and thunderstorms, mainly between noon and 3pm.  Cloudy, then gradually becoming mostly sunny, with a high near 77. Southeast wind 5 to 7 mph becoming southwest in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52. West wind around 5 mph becoming calm  in the evening.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 73. West wind 3 to 8 mph.  Chance of precipitation is 20%.

    High: 73 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51. West wind 3 to 5 mph.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 60. Southeast wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely and possibly a thunderstorm before noon, then scattered showers and thunderstorms, mainly between noon and 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 77. Southeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Mostly clear, with a low around 52. West wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 73. West wind 3 to 8 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 51. West wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 50%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Friday
A chance of showers. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Friday Night
A chance of showers. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Black Lake NY
 41.66°N 74.88°W (Elev. 1299 ft)
2:30 pm EDT Aug 22, 2026
6pm EDT Aug 22, 2026-6pm EDT Aug 29, 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