Hazardous Weather Conditions
Current conditions at
Monticello, Sullivan County International Airport (KMSV)
Lat: 41.7°NLon: 74.8°WElev: 1404ft.
Light Snow and Breezy
25°F
-4°C
| Humidity | 72% |
| Wind Speed | NW 21 G 36 mph |
| Barometer | 29.94 in (1015.6 mb) |
| Dewpoint | 17°F (-8°C) |
| Visibility | 9.00 mi |
| Wind Chill | 10°F (-12°C) |
| Last update | 11 Jan 11:56 pm EST |
Extended Forecast for
Tennanah Lake NY
Overnight

Low: 20 °F
Mostly Cloudy
Monday

High: 32 °F
Mostly Sunny
Monday Night

Low: 24 °F
Mostly Cloudy
Tuesday

High: 36 °F
Mostly Sunny
Tuesday Night
Low: 31 °F
Mostly Cloudy
then Slight
Chance Snow
ShowersWednesday
High: 36 °F
Chance
Rain/Snow
then Showers
LikelyWednesday Night

Low: 24 °F
Rain/Snow
LikelyThursday

High: 27 °F
Snow Showers
LikelyThursday Night

Low: 13 °F
Chance Snow
Showers
Detailed Forecast
Overnight
Mostly cloudy, with a low around 20. Northwest wind 16 to 18 mph, with gusts as high as 29 mph.
Monday
Mostly sunny, with a high near 32. West wind 10 to 13 mph.
Monday Night
Mostly cloudy, with a low around 24. West wind 7 to 10 mph.
Tuesday
Mostly sunny, with a high near 36. West wind 6 to 8 mph becoming south in the afternoon.
Tuesday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 31. South wind around 10 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain and snow showers before 10am, then rain showers likely. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.
Wednesday Night
Rain showers likely before 10pm, then rain and snow showers likely between 10pm and 1am, then snow showers likely after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 70%.
Thursday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 27. Chance of precipitation is 70%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 13. Chance of precipitation is 50%.
Friday
Partly sunny, with a high near 21.
Friday Night
Partly cloudy, with a low around 12.
Saturday
Partly sunny, with a high near 27.
Saturday Night
Mostly cloudy, with a low around 15.
Sunday
A chance of snow showers. Partly sunny, with a high near 23. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Tennanah Lake NY
41.88°N 74.95°W (Elev. 2280 ft)
41.88°N 74.95°W (Elev. 2280 ft)
12:27 am EST Jan 12, 2026
12am EST Jan 12, 2026-6pm EST Jan 18, 2026



