Hazardous Weather Conditions
Current conditions at
Monticello, Sullivan County International Airport (KMSV)
Lat: 41.7°NLon: 74.8°WElev: 1404ft.
A Few Clouds
79°F
26°C
| Humidity | 54% |
| Wind Speed | W 8 mph |
| Barometer | 29.91 in (1012.0 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 15 Apr 1:56 pm EDT |
Extended Forecast for
Upper Mongaup NY
This Afternoon
High: 82 °F
Mostly Sunny
Tonight
Low: 61 °F
Severe
Thunderstorms
and Patchy
FogThursday
High: 82 °F
Areas Fog
then Mostly
SunnyThursday Night
Low: 59 °F
Chance
ShowersFriday
High: 72 °F
Chance
ShowersFriday Night
Low: 51 °F
Partly Cloudy
Saturday
High: 69 °F
Partly Sunny
Saturday Night
Low: 42 °F
Chance
ShowersSunday
High: 54 °F
Showers
Likely
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 82. West wind around 9 mph.
Tonight
A chance of showers and thunderstorms, mainly before 1am. Some of the storms could be severe. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 61. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 82. Light west wind becoming southwest 5 to 9 mph in the morning.
Thursday Night
A chance of showers before 2am. Mostly cloudy, with a low around 59. West wind around 5 mph. Chance of precipitation is 30%.
Friday
A chance of showers after 8am. Partly sunny, with a high near 72. Northwest wind around 6 mph. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Partly sunny, with a high near 69.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 50%.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
Sunday Night
A chance of rain showers before 11pm, then a chance of snow showers between 11pm and 2am. Partly cloudy, with a low around 29. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 43.
Monday Night
Mostly clear, with a low around 25.
Tuesday
Sunny, with a high near 54.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Upper Mongaup NY
41.47°N 74.8°W (Elev. 1224 ft)
41.47°N 74.8°W (Elev. 1224 ft)
2:30 pm EDT Apr 15, 2026
2pm EDT Apr 15, 2026-6pm EDT Apr 21, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
