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.

Light Snow

14°F

-10°C

Humidity 64%
Wind Speed NW 12 G 23 mph
Barometer 29.67 in (1006.9 mb)
Dewpoint 4°F (-16°C)
Visibility 5.00 mi
Wind Chill0°F (-18°C)
Last update 1 Jan 8:56 am EST
Extended Forecast for

Tennanah Lake NY

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 14. Wind chill values as low as -7. Northwest wind 13 to 15 mph, with gusts as high as 28 mph.

    High: 14 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 6. Wind chill values as low as -7. West wind around 9 mph.

    Low: 6 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 20. Wind chill values as low as -4. West wind 8 to 10 mph.

    High: 20 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 11. Wind chill values as low as zero. West wind around 10 mph.

    Low: 11 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 22. West wind 6 to 8 mph.

    High: 22 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 11. Chance of precipitation is 20%.

    Low: 11 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of snow showers after 1pm. Mostly cloudy, with a high near 20. Chance of precipitation is 30%.

    High: 20 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

New Year's Day
Partly sunny, with a high near 14. Wind chill values as low as -7. Northwest wind 13 to 15 mph, with gusts as high as 28 mph.
Tonight
Partly cloudy, with a low around 6. Wind chill values as low as -7. West wind around 9 mph.
Friday
Partly sunny, with a high near 20. Wind chill values as low as -4. West wind 8 to 10 mph.
Friday Night
Partly cloudy, with a low around 11. Wind chill values as low as zero. West wind around 10 mph.
Saturday
Mostly sunny, with a high near 22. West wind 6 to 8 mph.
Saturday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 11. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 23.
Sunday Night
Mostly cloudy, with a low around 9.
Monday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 20. Chance of precipitation is 30%.
Monday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 31.
Tuesday Night
A chance of freezing rain. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.
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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:
8:03 am EST Jan 1, 2026
Forecast Valid:
9am EST Jan 1, 2026-6pm EST Jan 7, 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