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

6°F

-14°C

Humidity 87%
Wind Speed W 3 mph
Barometer 30.06 in (1020.4 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Last update 3 Feb 4:56 am EST
Extended Forecast for

Tennanah Lake NY

  • Today

    Today: Partly sunny, with a high near 23. Wind chill values as low as -2. West wind 3 to 6 mph.

    High: 23 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 7. Wind chill values as low as -2. West wind around 7 mph.

    Low: 7 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 20. Wind chill values as low as -5. Northwest wind around 8 mph.

    High: 20 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 7. Wind chill values as low as -2. Northwest wind around 8 mph.

    Low: 7 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 20. Northwest wind around 7 mph.

    High: 20 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 2.

    Low: 2 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of snow showers. Mostly cloudy, with a high near 22. Chance of precipitation is 50%.

    High: 22 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around -3. Chance of precipitation is 30%.

    Low: -3 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 5. Blustery.

    High: 5 °F

    Partly Sunny
    and Blustery
    then Mostly
    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 23. Wind chill values as low as -2. West wind 3 to 6 mph.
Tonight
Mostly cloudy, with a low around 7. Wind chill values as low as -2. West wind around 7 mph.
Wednesday
Mostly sunny, with a high near 20. Wind chill values as low as -5. Northwest wind around 8 mph.
Wednesday Night
Mostly cloudy, with a low around 7. Wind chill values as low as -2. Northwest wind around 8 mph.
Thursday
Mostly sunny, with a high near 20. Northwest wind around 7 mph.
Thursday Night
Mostly cloudy, with a low around 2.
Friday
A chance of snow showers. Mostly cloudy, with a high near 22. Chance of precipitation is 50%.
Friday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around -3. Chance of precipitation is 30%.
Saturday
Mostly sunny and cold, with a high near 5. Blustery.
Saturday Night
Mostly cloudy, with a low around -6.
Sunday
Partly sunny and cold, with a high near 6.
Sunday Night
Partly cloudy, with a low around -5.
Monday
Mostly sunny, with a high near 12.
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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:
4:57 am EST Feb 3, 2026
Forecast Valid:
5am EST Feb 3, 2026-6pm EST Feb 9, 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