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.

Unknown Precip

30°F

-1°C

Humidity 88%
Wind Speed S 3 mph
Barometer 29.92 in (1015.0 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 17 Jan 1:56 pm EST
Extended Forecast for

2 Miles ESE Youngsville NY

Winter Weather Advisory January 17, 02:14pm until January 17, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 17, 02:14pm until January 17, 04:00pm

    NOW until 4:00pm Sat

    Winter Weather Advisory

  • This Afternoon

    High: 31 °F

    Snow Likely

  • Tonight

    Tonight: A chance of snow after 4am. Mostly cloudy, with a low around 23. Light southwest wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow likely before 2pm, then a chance of light snow after 2pm. Mostly cloudy, with a high near 29. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 29 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 13. Northwest wind 3 to 5 mph.

    Low: 13 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 25. Southwest wind 5 to 14 mph, with gusts as high as 25 mph.

    High: 25 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 14.

    High: 14 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 2.

    Low: 2 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Snow likely before 3pm, then a slight chance of snow showers between 3pm and 4pm. Mostly cloudy, with a high near 31. Southwest wind around 6 mph. Chance of precipitation is 70%. Total daytime snow accumulation of around 3 inches.
Tonight
A chance of snow after 4am. Mostly cloudy, with a low around 23. Light southwest wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Sunday
Snow likely before 2pm, then a chance of light snow after 2pm. Mostly cloudy, with a high near 29. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Sunday Night
Mostly cloudy, with a low around 13. Northwest wind 3 to 5 mph.
M.L.King Day
Partly sunny, with a high near 25. Southwest wind 5 to 14 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 7.
Tuesday
Mostly sunny, with a high near 14.
Tuesday Night
Mostly clear, with a low around 2.
Wednesday
Partly 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 28. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 7.
Friday
Mostly sunny, with a high near 22.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Youngsville NY
 41.81°N 74.85°W (Elev. 1450 ft)
Last Update:
1:00 pm EST Jan 17, 2026
Forecast Valid:
2pm EST Jan 17, 2026-6pm EST Jan 23, 2026
 
Forecast Discussion
 
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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