Hazardous Weather Conditions
Current conditions at
Monticello, Sullivan County International Airport (KMSV)
Lat: 41.7°NLon: 74.8°WElev: 1404ft.
Thunderstorm Light Rain
68°F
20°C
| Humidity | 93% |
| Wind Speed | S 10 G 17 mph |
| Barometer | 30.02 in (1016.0 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 27 Aug 7:56 pm EDT |
Extended Forecast for
Mongaup Valley NY
Severe T-storm Watch August 27, 08:24pm until August 27, 09:00pm
NOW until 9:00pm Thu
Severe T-storm Watch
Tonight
Low: 60 °F
Showers
Likely then
Isolated
ShowersFriday

High: 80 °F
Mostly Sunny
Friday Night

Low: 50 °F
Mostly Clear
Saturday

High: 78 °F
Sunny
Saturday Night

Low: 55 °F
Mostly Clear
Sunday

High: 81 °F
Mostly Sunny
Sunday Night

Low: 61 °F
Partly Cloudy
Monday
High: 81 °F
Partly Sunny
then Chance
Showers
Detailed Forecast
Tonight
Showers and thunderstorms likely before midnight, then isolated showers between midnight and 2am. Mostly cloudy, with a low around 60. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 80. Calm wind becoming northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 50. Light northwest wind.
Saturday
Sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 55. Calm wind.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 61.
Monday
A chance of showers after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Monday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Tuesday
A chance of showers after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Wednesday
Showers likely. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mongaup Valley NY
41.67°N 74.79°W (Elev. 1175 ft)
41.67°N 74.79°W (Elev. 1175 ft)
7:31 pm EDT Aug 27, 2026
8pm EDT Aug 27, 2026-6pm EDT Sep 3, 2026



