Hazardous Weather Conditions

Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Overcast

21°F

-6°C

Humidity 96%
Wind Speed Calm
Barometer 30.00 in (1017.8 mb)
Dewpoint 20°F (-7°C)
Visibility 7.00 mi
Last update 18 Jan 2:56 am EST
Extended Forecast for

Unionville NY

  • Overnight

    Overnight: A chance of snow showers, mainly after 5am.  Cloudy, with a low around 25. Calm wind.  Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: Snow showers likely, mainly before noon.  Cloudy, with a high near 31. Calm wind.  Chance of precipitation is 70%. New snow accumulation of around 2 inches.

    High: 31 °F

    Snow Showers
    Likely

  • Sunday Night

    Sunday Night: A slight chance of snow showers before 8pm.  Cloudy during the early evening, then gradual clearing, with a low around 13. Calm wind.  Chance of precipitation is 20%.

    Low: 13 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 25. Light west wind increasing to 5 to 10 mph in the morning.

    High: 25 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 7. West wind around 9 mph.

    Low: 7 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 15.

    High: 15 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 3.

    Low: 3 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of snow showers, mainly after 5am. Cloudy, with a low around 25. Calm wind. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Snow showers likely, mainly before noon. Cloudy, with a high near 31. Calm wind. Chance of precipitation is 70%. New snow accumulation of around 2 inches.
Sunday Night
A slight chance of snow showers before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 13. Calm wind. Chance of precipitation is 20%.
M.L.King Day
Partly sunny, with a high near 25. Light west wind increasing to 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 7. West wind around 9 mph.
Tuesday
Mostly sunny, with a high near 15.
Tuesday Night
Mostly clear, with a low around 3.
Wednesday
Partly sunny, with a high near 23.
Wednesday Night
Mostly cloudy, with a low around 17.
Thursday
Partly sunny, with a high near 30.
Thursday Night
Partly cloudy, with a low around 8.
Friday
Mostly sunny, with a high near 24.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
A chance of snow. Partly sunny, with a high near 27. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Unionville NY
 41.86°N 74.54°W (Elev. 1378 ft)
12:37 am EST Jan 18, 2026
3am EST Jan 18, 2026-6pm EST Jan 24, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database