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

27°F

-3°C

Humidity 92%
Wind Speed SE 6 mph
Barometer 29.93 in (1015.2 mb)
Dewpoint 25°F (-4°C)
Visibility 1.00 mi
Wind Chill20°F (-7°C)
Last update 17 Jan 12:56 pm EST
Extended Forecast for

3 Miles SSE Grant Mills NY

Winter Weather Advisory January 17, 01:10pm until January 17, 07:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 17, 01:10pm until January 17, 07:00pm

    NOW until 7:00pm Sat

    Winter Weather Advisory

  • This Afternoon

    High: 29 °F

    Snow

  • Tonight

    Tonight: A chance of snow after 4am. Mostly cloudy, with a low around 20. Southwest wind around 6 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 25. West wind around 6 mph becoming northwest in the afternoon. Chance of precipitation is 50%. New snow accumulation of around an inch possible.

    High: 25 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 10. Light and variable wind.

    Low: 10 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: A slight chance of snow showers after 1pm. Partly sunny, with a high near 21. Southwest wind 5 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 21 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 3.

    Low: 3 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny and cold, with a high near 10.

    High: 10 °F

    Cold

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around -1.

    Low: -1 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Snow, mainly before 3pm. High near 29. Southwest wind around 7 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
A chance of snow after 4am. Mostly cloudy, with a low around 20. Southwest wind around 6 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Sunday
A chance of snow. Mostly cloudy, with a high near 25. West wind around 6 mph becoming northwest in the afternoon. Chance of precipitation is 50%. New snow accumulation of around an inch possible.
Sunday Night
Mostly cloudy, with a low around 10. Light and variable wind.
M.L.King Day
A slight chance of snow showers after 1pm. Partly sunny, with a high near 21. Southwest wind 5 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 3.
Tuesday
Partly sunny and cold, with a high near 10.
Tuesday Night
Mostly clear, with a low around -1.
Wednesday
Partly sunny, with a high near 21.
Wednesday Night
Mostly cloudy, with a low around 14.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 25. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 4.
Friday
Partly sunny, with a high near 18.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Grant Mills NY
 42.03°N 74.66°W (Elev. 2533 ft)
Last Update:
12:53 pm EST Jan 17, 2026
Forecast Valid:
1pm 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