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

23°F

-5°C

Humidity 74%
Wind Speed W 5 mph
Barometer 30.10 in (1021.4 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 5 Jan 2:56 am EST
Extended Forecast for

Tennanah Lake NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 13. Northwest wind around 7 mph.

    Low: 13 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of snow showers, mainly between 3pm and 5pm. Mostly cloudy, with a high near 25. Light and variable wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.

    High: 25 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 21. South wind 5 to 8 mph becoming light and variable after midnight.

    Low: 21 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain showers after 1pm, mixing with freezing rain after 4pm. Mostly cloudy, with a high near 34. Light and variable wind becoming south around 6 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 34 °F

    Mostly Cloudy
    then Chance
    Rain/Freezing
    Rain

  • Tuesday Night

    Tuesday Night: Rain or freezing rain likely before 4am, then a chance of rain showers. Cloudy, with a low around 30. Southeast wind 8 to 10 mph becoming southwest after midnight. Chance of precipitation is 70%.

    Low: 30 °F

    Rain/Freezing
    Rain Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 13. Northwest wind around 7 mph.
Monday
A chance of snow showers, mainly between 3pm and 5pm. Mostly cloudy, with a high near 25. Light and variable wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
Monday Night
Mostly cloudy, with a low around 21. South wind 5 to 8 mph becoming light and variable after midnight.
Tuesday
A chance of rain showers after 1pm, mixing with freezing rain after 4pm. Mostly cloudy, with a high near 34. Light and variable wind becoming south around 6 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain or freezing rain likely before 4am, then a chance of rain showers. Cloudy, with a low around 30. Southeast wind 8 to 10 mph becoming southwest after midnight. Chance of precipitation is 70%.
Wednesday
Mostly cloudy, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 39.
Thursday Night
A chance of showers after 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Friday
Showers likely. Mostly cloudy, with a high near 44. Chance of precipitation is 70%.
Friday Night
Showers likely. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.
Saturday
Showers likely. Mostly cloudy, with a high near 47. Chance of precipitation is 60%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 30.
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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:
12:55 am EST Jan 5, 2026
Forecast Valid:
3am EST Jan 5, 2026-6pm EST Jan 11, 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