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.

Light Snow Fog/Mist

29°F

-2°C

Humidity 96%
Wind Speed Calm
Barometer 29.99 in (1017.6 mb)
Dewpoint 28°F (-2°C)
Visibility 2.00 mi
Last update 18 Jan 9:56 am EST
Extended Forecast for

Grahamsville NY

Winter Weather Advisory until January 18, 10:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until January 18, 10:00pm

    NOW until 10:00pm Sun

    Winter Weather Advisory

  • Today

    High: 31 °F

    Snow Likely

  • Tonight

    Tonight: Snow likely before 8pm, then a chance of snow showers between 8pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 14. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Snow Likely
    then Partly
    Cloudy

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 26. Light west wind increasing to 5 to 10 mph in the morning.

    High: 26 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 8. Wind chill values as low as -2. West wind around 9 mph.

    Low: 8 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 17. West wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 17 °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 24.

    High: 24 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

Today
Snow likely before 1pm, then a chance of snow showers between 1pm and 3pm, then snow likely after 3pm. Mostly cloudy, with a high near 31. Light and variable wind. Chance of precipitation is 70%. Total daytime snow accumulation of around 3 inches.
Tonight
Snow likely before 8pm, then a chance of snow showers between 8pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 14. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
M.L.King Day
Partly sunny, with a high near 26. Light west wind increasing to 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 8. Wind chill values as low as -2. West wind around 9 mph.
Tuesday
Mostly sunny, with a high near 17. West wind 8 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 3.
Wednesday
Partly sunny, with a high near 24.
Wednesday Night
Mostly cloudy, with a low around 17.
Thursday
Partly sunny, with a high near 32.
Thursday Night
Partly cloudy, with a low around 9.
Friday
Mostly sunny, with a high near 25.
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
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grahamsville NY
 41.84°N 74.55°W (Elev. 1115 ft)
Last Update:
8:09 am EST Jan 18, 2026
Forecast Valid:
10am EST Jan 18, 2026-6pm EST Jan 24, 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