Hazardous Weather Conditions
Current conditions at
Monticello, Sullivan County International Airport (KMSV)
Lat: 41.7°NLon: 74.8°WElev: 1404ft.
Fair
0°F
-18°C
| Humidity | 69% |
| Wind Speed | NW 16 G 23 mph |
| Barometer | 30.52 in (1037.1 mb) |
| Dewpoint | -8°F (-22°C) |
| Visibility | 10.00 mi |
| Wind Chill | -20°F (-29°C) |
| Last update | 24 Jan 8:56 am EST |
Extended Forecast for
Tennanah Lake NY
Cold Weather Advisory January 24, 09:54am until January 24, 01:00pm
Winter Storm Warning January 25, 01:00am until January 26, 07:00pm
NOW until 1:00pm Sat

Cold Weather Advisory
Today

High: 6 °F
Cold
Tonight

Low: 1 °F
Mostly Cloudy
Sunday

High: 14 °F
Heavy Snow
Sunday Night

Low: 9 °F
Heavy Snow
Monday

High: 18 °F
Snow Showers
LikelyMonday Night

Low: 0 °F
Slight Chance
Snow ShowersTuesday

High: 11 °F
Partly Sunny
Tuesday Night

Low: -1 °F
Mostly Cloudy
Detailed Forecast
Today
Mostly sunny and cold, with a high near 6. Wind chill values as low as -19. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 1. Wind chill values as low as -9. North wind around 6 mph becoming northeast after midnight.
Sunday
Snow, mainly after 8am. The snow could be heavy at times. High near 14. Wind chill values as low as -7. East wind 6 to 8 mph. Chance of precipitation is 100%. New snow accumulation of around 9 inches.
Sunday Night
Snow. The snow could be heavy at times. Low around 9. Wind chill values as low as -5. East wind 8 to 10 mph. Chance of precipitation is 100%. New snow accumulation of around 6 inches.
Monday
Snow showers likely, mainly before 1pm. Cloudy, with a high near 18. Northwest wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Monday Night
A slight chance of snow showers before 1am. Mostly cloudy, with a low around 0. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 11.
Tuesday Night
Mostly cloudy, with a low around -1.
Wednesday
Partly sunny, with a high near 13.
Wednesday Night
Mostly cloudy, with a low around -3.
Thursday
Mostly cloudy, with a high near 11.
Thursday Night
Mostly cloudy, with a low around -1.
Friday
Partly sunny, with a high near 12.
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)
6:18 am EST Jan 24, 2026
9am EST Jan 24, 2026-6pm EST Jan 30, 2026



