Hazardous Weather Conditions
Current conditions at
Monticello, Sullivan County International Airport (KMSV)
Lat: 41.7°NLon: 74.8°WElev: 1404ft.
Light Rain Fog/Mist
35°F
2°C
| Humidity | 100% |
| Wind Speed | N 6 mph |
| Barometer | 29.50 in (1000.3 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 4.00 mi |
| Wind Chill | 30°F (-1°C) |
| Last update | 14 Jan 5:56 pm EST |
Extended Forecast for
Upper Mongaup NY
Tonight
Low: 30 °F
Showers
Likely then
Rain/SnowThursday
High: 31 °F⇓
Slight Chance
Rain/Snow
then Mostly
CloudyThursday Night

Low: 13 °F
Mostly Cloudy
Friday

High: 28 °F
Mostly Sunny
Friday Night

Low: 21 °F
Mostly Cloudy
Saturday

High: 34 °F
Chance Snow
ShowersSaturday Night

Low: 19 °F
Mostly Cloudy
Sunday

High: 26 °F
Partly Sunny
Sunday Night

Low: 12 °F
Partly Cloudy
Detailed Forecast
Tonight
Rain, possibly mixed with snow showers before 4am, then rain showers likely between 4am and 5am, then a chance of rain and snow showers after 5am. Low around 30. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
A slight chance of rain and snow showers before 7am, then a slight chance of snow showers between 7am and 9am. Mostly cloudy, with a temperature falling to around 22 by 5pm. West wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 13. Wind chill values as low as zero. West wind around 14 mph, with gusts as high as 26 mph.
Friday
Mostly sunny, with a high near 28. Wind chill values as low as zero. West wind 7 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 21. South wind around 6 mph.
Saturday
A chance of snow showers, mainly after 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Partly sunny, with a high near 26.
Sunday Night
Partly cloudy, with a low around 12.
M.L.King Day
Mostly sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 8.
Tuesday
Mostly sunny, with a high near 18.
Tuesday Night
Partly cloudy, with a low around 7.
Wednesday
Mostly sunny, with a high near 21.
Additional Forecasts and Information
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ABOUT 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)
5:11 pm EST Jan 14, 2026
6pm EST Jan 14, 2026-6pm EST Jan 21, 2026



