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.

Overcast

24°F

-4°C

Humidity 88%
Wind Speed Calm
Barometer 29.97 in (1016.5 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 3 Dec 10:56 pm EST
Extended Forecast for

Tennanah Lake NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. West wind 6 to 8 mph.

    Low: 21 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of snow showers before 10am. Partly sunny, with a high near 28. West wind 9 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 28 °F

    Slight Chance
    Snow Showers
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 4. Wind chill values as low as -4. Northwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph.

    Low: 4 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 21. Wind chill values as low as -3. South wind 3 to 7 mph.

    High: 21 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of snow showers. Mostly cloudy, with a low around 14. South wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 20%.

    Low: 14 °F

    Slight Chance
    Snow Showers

  • Saturday

    Saturday: A slight chance of snow showers before 1pm. Partly sunny, with a high near 30. Chance of precipitation is 20%.

    High: 30 °F

    Slight Chance
    Snow Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 30.

    High: 30 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 10. Chance of precipitation is 30%.

    Low: 10 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 21. West wind 6 to 8 mph.
Thursday
A slight chance of snow showers before 10am. Partly sunny, with a high near 28. West wind 9 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 4. Wind chill values as low as -4. Northwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph.
Friday
Mostly sunny, with a high near 21. Wind chill values as low as -3. South wind 3 to 7 mph.
Friday Night
A slight chance of snow showers. Mostly cloudy, with a low around 14. South wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Saturday
A slight chance of snow showers before 1pm. Partly sunny, with a high near 30. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Mostly cloudy, with a high near 30.
Sunday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 10. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 18.
Monday Night
Partly cloudy, with a low around 4.
Tuesday
A chance of snow showers. Partly sunny, with a high near 22. Chance of precipitation is 40%.
Tuesday Night
A chance of snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 40%.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 31. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tennanah Lake NY
 41.88°N 74.95°W (Elev. 2280 ft)
Last Update:
3:22 pm EST Dec 3, 2025
Forecast Valid:
11pm EST Dec 3, 2025-6pm EST Dec 10, 2025
 
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