Hazardous Weather Conditions
Current conditions at
Monticello, Sullivan County International Airport (KMSV)
Lat: 41.7°NLon: 74.8°WElev: 1404ft.
Overcast
29°F
-2°C
| Humidity | 85% |
| Wind Speed | SE 8 mph |
| Barometer | 29.44 in (998.6 mb) |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 21°F (-6°C) |
| Last update | 10 Dec 11:56 am EST |
Extended Forecast for
Upper Mongaup NY
Winter Weather Advisory December 10, 12:09pm until December 11, 01:00am
NOW until 1:00am Thu

Winter Weather Advisory
This Afternoon

High: 35 °F
Rain/Snow
Tonight
Low: 20 °F
Chance
Rain/Snow
then Mostly
CloudyThursday

High: 27 °F
Mostly Sunny
Thursday Night

Low: 17 °F
Partly Cloudy
Friday

High: 29 °F
Mostly Sunny
Friday Night
Low: 13 °F
Partly Cloudy
then Chance
Snow ShowersSaturday

High: 31 °F
Mostly Cloudy
Saturday Night
Low: 18 °F
Mostly Cloudy
then Chance
Snow Showers
Detailed Forecast
This Afternoon
Snow, possibly mixed with rain. High near 35. South wind around 8 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.
Tonight
A chance of rain and snow showers before 11pm, then a slight chance of rain between 11pm and midnight. Mostly cloudy, with a low around 20. Southwest wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Thursday
Mostly sunny, with a high near 27. West wind 14 to 16 mph, with gusts as high as 31 mph.
Thursday Night
Partly cloudy, with a low around 17. West wind 10 to 15 mph, with gusts as high as 30 mph.
Friday
Mostly sunny, with a high near 29. West wind 6 to 9 mph, with gusts as high as 20 mph.
Friday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 31.
Saturday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 40%.
Sunday
Mostly cloudy, with a high near 26.
Sunday Night
Mostly cloudy, with a low around 11.
Monday
Partly sunny, with a high near 23.
Monday Night
Mostly cloudy, with a low around 11.
Tuesday
Partly sunny, with a high near 28.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Upper Mongaup NY
41.47°N 74.77°W (Elev. 1201 ft)
41.47°N 74.77°W (Elev. 1201 ft)
11:27 am EST Dec 10, 2025
12pm EST Dec 10, 2025-6pm EST Dec 16, 2025



