Hazardous Weather Conditions
Current conditions at
Monticello, Sullivan County International Airport (KMSV)
Lat: 41.7°NLon: 74.8°WElev: 1404ft.
Light Snow Fog/Mist
30°F
-1°C
| Humidity | 85% |
| Wind Speed | NW 3 mph |
| Barometer | 29.87 in (1013.4 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 5.00 mi |
| Last update | 18 Jan 1:56 pm EST |
Extended Forecast for
Unionville NY
Winter Weather Advisory January 18, 02:19pm until January 18, 10:00pm
NOW until 10:00pm Sun

Winter Weather Advisory
This Afternoon

High: 32 °F
Snow
Tonight
Low: 14 °F
Snow then
Chance Snow
ShowersM.L.King Day
High: 25 °F
Partly Sunny
then Slight
Chance Snow
ShowersMonday Night

Low: 7 °F
Decreasing
CloudsTuesday

High: 15 °F
Mostly Sunny
Tuesday Night

Low: 3 °F
Mostly Clear
Wednesday

High: 24 °F
Mostly Sunny
Wednesday Night

Low: 16 °F
Mostly Cloudy
Detailed Forecast
This Afternoon
Snow. High near 32. Calm wind. Chance of precipitation is 90%. Total daytime snow accumulation of around 2 inches.
Tonight
Snow before 9pm, then a chance of snow showers between 9pm and 2am. Low around 14. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
M.L.King Day
A slight chance of snow showers after 4pm. Partly sunny, with a high near 25. Light west wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 7. Wind chill values as low as -5. West wind around 10 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 15. West wind 9 to 13 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 3.
Wednesday
Mostly sunny, with a high near 24.
Wednesday Night
Mostly cloudy, with a low around 16.
Thursday
A chance of snow showers. Partly sunny, with a high near 32. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 9.
Friday
Mostly sunny, with a high near 21.
Friday Night
Mostly cloudy, with a low around 8.
Saturday
Partly sunny, with a high near 19.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Unionville NY
41.86°N 74.54°W (Elev. 1378 ft)
41.86°N 74.54°W (Elev. 1378 ft)
2:06 pm EST Jan 18, 2026
2pm EST Jan 18, 2026-6pm EST Jan 24, 2026



