Hazardous Weather Conditions
Current conditions at
Monticello, Sullivan County International Airport (KMSV)
Lat: 41.7°NLon: 74.8°WElev: 1404ft.
Light Snow
21°F
-6°C
| Humidity | 88% |
| Wind Speed | Calm |
| Barometer | 29.62 in (1005.3 mb) |
| Dewpoint | 18°F (-8°C) |
| Visibility | 9.00 mi |
| Last update | 25 Feb 7:56 am EST |
Extended Forecast for
Mongaup Valley NY
Today
High: 38 °F
Chance Snow
then Mostly
CloudyTonight
Low: 18 °F
Slight Chance
Snow then
Partly CloudyThursday

High: 33 °F
Mostly Sunny
Thursday Night

Low: 12 °F
Mostly Clear
Friday

High: 41 °F
Sunny
Friday Night

Low: 22 °F
Partly Cloudy
Saturday

High: 47 °F
Mostly Sunny
Saturday Night

Low: 20 °F
Partly Cloudy
Sunday

High: 32 °F
Partly Sunny
Detailed Forecast
Today
A chance of snow before 9am. Mostly cloudy, with a high near 38. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A slight chance of snow between 9pm and midnight. Mostly cloudy, with a low around 18. West wind around 6 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 33. West wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 12. Calm wind.
Friday
Sunny, with a high near 41. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Partly sunny, with a high near 32.
Sunday Night
Mostly cloudy, with a low around 10.
Monday
A chance of snow. Partly sunny, with a high near 24. Chance of precipitation is 40%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 5. Chance of precipitation is 30%.
Tuesday
A chance of snow. Mostly sunny, with a high near 29. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mongaup Valley NY
41.65°N 74.79°W (Elev. 1181 ft)
41.65°N 74.79°W (Elev. 1181 ft)
4:59 am EST Feb 25, 2026
8am EST Feb 25, 2026-6pm EST Mar 3, 2026



