National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fair

54°F

12°C

Humidity 77%
Wind Speed Calm
Barometer 30.19 in (1021.8 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 19 Sep 4:56 am EDT
Extended Forecast for

Yankee Lake NY

  • Today

    Today: Mostly sunny, with a high near 64. Northeast wind 5 to 7 mph becoming southeast in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of rain, mainly after 3am. Increasing clouds, with a low around 49. Calm wind becoming southeast around 5 mph in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain, with thunderstorms also possible after 2pm. High near 60. Southeast wind around 7 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 60 °F

    Rain

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 50. West wind 5 to 8 mph becoming north after midnight. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 62. Northeast wind around 9 mph.

    High: 62 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 20%.

    Low: 44 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 64. Northeast wind 5 to 7 mph becoming southeast in the afternoon.
Tonight
A chance of rain, mainly after 3am. Increasing clouds, with a low around 49. Calm wind becoming southeast around 5 mph in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain, with thunderstorms also possible after 2pm. High near 60. Southeast wind around 7 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 50. West wind 5 to 8 mph becoming north after midnight. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Partly sunny, with a high near 62. Northeast wind around 9 mph.
Monday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 20%.
Tuesday
Mostly cloudy, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
Partly sunny, with a high near 57.
Wednesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly cloudy, with a high near 56. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 60. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yankee Lake NY
 41.6°N 74.54°W (Elev. 1490 ft)
Last Update:
2:30 am EDT Sep 19, 2026
Forecast Valid:
5am EDT Sep 19, 2026-6pm EDT Sep 25, 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