Hazardous Weather Conditions
Current conditions at
Monticello, Sullivan County International Airport (KMSV)
Lat: 41.7°NLon: 74.8°WElev: 1404ft.
Overcast
15°F
-9°C
| Humidity | 88% |
| Wind Speed | W 5 mph |
| Barometer | 29.81 in (1011.5 mb) |
| Dewpoint | 12°F (-11°C) |
| Visibility | 10.00 mi |
| Wind Chill | 7°F (-14°C) |
| Last update | 19 Jan 5:56 am EST |
Extended Forecast for
Tennanah Lake NY
M.L.King Day
High: 22 °F
Partly Sunny
then Slight
Chance Snow
ShowersTonight
Low: 5 °F
Chance Snow
Showers then
Mostly ClearTuesday

High: 11 °F
Mostly Sunny
Tuesday Night

Low: 2 °F
Mostly Clear
Wednesday

High: 23 °F
Partly Sunny
Wednesday Night

Low: 18 °F
Mostly Cloudy
Thursday

High: 31 °F
Chance Snow
ShowersThursday Night

Low: 9 °F
Partly Cloudy
Friday

High: 16 °F
Partly Sunny
Detailed Forecast
M.L.King Day
A slight chance of snow showers after 4pm. Mostly cloudy, with a high near 22. Southwest wind 5 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
A chance of snow showers, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 5. Wind chill values as low as -9. West wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday
Mostly sunny, with a high near 11. Wind chill values as low as -11. West wind around 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 2. Wind chill values as low as -9. Southwest wind 6 to 9 mph.
Wednesday
Partly sunny, with a high near 23. South wind 6 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 18.
Thursday
A chance of snow showers. Partly sunny, with a high near 31. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 9.
Friday
Partly sunny, with a high near 16.
Friday Night
Mostly cloudy, with a low around -2.
Saturday
Partly sunny and cold, with a high near 4.
Saturday Night
Mostly cloudy, with a low around -5.
Sunday
A chance of snow. Partly sunny and cold, with a high near 8. 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)
6:01 am EST Jan 19, 2026
6am EST Jan 19, 2026-6pm EST Jan 25, 2026



