Hazardous Weather Conditions
Current conditions at
Monticello, Sullivan County International Airport (KMSV)
Lat: 41.7°NLon: 74.8°WElev: 1404ft.
Mostly Cloudy
67°F
19°C
| Humidity | 63% |
| Wind Speed | W 5 mph |
| Barometer | 29.89 in (1011.9 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 31 Mar 9:56 pm EDT |
Extended Forecast for
Tennanah Lake NY
Tonight
Low: 54 °F
Chance
T-storms then
Showers
LikelyWednesday

High: 56 °F
Chance
ShowersWednesday Night

Low: 38 °F
Showers
LikelyThursday

High: 43 °F
Chance
ShowersThursday Night

Low: 38 °F
Chance
ShowersFriday
High: 67 °F
Mostly Cloudy
then Slight
Chance
ShowersFriday Night

Low: 51 °F
Chance Rain
Saturday
High: 70 °F
Partly Sunny
then Chance
RainSaturday Night

Low: 51 °F
Rain Likely
Detailed Forecast
Tonight
A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 54. Southwest wind 10 to 14 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers before noon, then a chance of showers after 2pm. Mostly cloudy, with a high near 56. Northwest wind 7 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 38. North wind 6 to 8 mph becoming east after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of showers. Mostly cloudy, with a high near 43. Southeast wind around 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of showers before 2am. Cloudy, with a low around 38. Southeast wind around 11 mph. Chance of precipitation is 30%.
Friday
A slight chance of showers after 2pm. Partly sunny, with a high near 67. Chance of precipitation is 20%.
Friday Night
A chance of rain before 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Saturday
A chance of rain after 2pm. Partly sunny, with a high near 70. Chance of precipitation is 40%.
Saturday Night
Rain likely, mainly after 8pm. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Sunday
Rain likely. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Mostly sunny, with a high near 47.
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)
3:23 pm EDT Mar 31, 2026
10pm EDT Mar 31, 2026-6pm EDT Apr 7, 2026



