Hazardous Weather Conditions
Current conditions at
Monticello, Sullivan County International Airport (KMSV)
Lat: 41.7°NLon: 74.8°WElev: 1404ft.
Fair
70°F
21°C
| Humidity | 73% |
| Wind Speed | Vrbl 5 mph |
| Barometer | 29.95 in (1013.7 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 15 Apr 10:56 am EDT |
Extended Forecast for
Tennanah Lake NY
Today

High: 77 °F
Mostly Sunny
Tonight

Low: 60 °F
Severe
ThunderstormsThursday
High: 76 °F
Partly Sunny
then Slight
Chance
T-stormsThursday Night

Low: 56 °F
Chance
ShowersFriday

High: 65 °F
Chance
ShowersFriday Night

Low: 50 °F
Partly Cloudy
Saturday

High: 66 °F
Partly Sunny
Saturday Night

Low: 43 °F
Chance
ShowersSunday
High: 53 °F
Showers
Likely then
Rain/Snow
Likely
Detailed Forecast
Today
Mostly sunny, with a high near 77. West wind 8 to 10 mph.
Tonight
A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and midnight, then a chance of showers and thunderstorms after midnight. Some of the storms could be severe. Mostly cloudy, with a low around 60. West wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A slight chance of showers before 4pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 76. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. West wind around 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, mainly after 8am. Partly sunny, with a high near 65. Northwest wind around 8 mph. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Partly sunny, with a high near 66.
Saturday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 43. Chance of precipitation is 50%.
Sunday
Rain showers likely before 5pm, then rain and snow showers likely. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.
Sunday Night
Snow showers likely, possibly mixed with rain before 11pm, then a chance of snow showers. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 37.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Sunny, with a high near 50.
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)
11:22 am EDT Apr 15, 2026
11am EDT Apr 15, 2026-6pm EDT Apr 21, 2026



