National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Unionville NY
 41.86°N 74.54°W (Elev. 1378 ft)
Last Update:
12:37 am EST Jan 18, 2026
Forecast Valid:
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation