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

30°F

-1°C

Humidity 88%
Wind Speed Vrbl 3 mph
Barometer 29.93 in (1015.5 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 17 Jan 2:56 pm EST
Extended Forecast for

5 Miles NNE Sundown NY

Winter Weather Advisory January 17, 03:58pm until January 17, 07:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 17, 03:58pm until January 17, 07:00pm

    NOW until 7:00pm Sat

    Winter Weather Advisory

  • This Afternoon

    High: 30 °F

    Chance Snow

  • Tonight

    Tonight: A chance of snow after 4am. Mostly cloudy, with a low around 20. West wind around 10 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. Cloudy, with a high near 27. West wind 6 to 8 mph becoming north in the afternoon. Chance of precipitation is 50%. New snow accumulation of 1 to 3 inches possible.

    High: 27 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 10. Wind chill values as low as -1. North wind around 8 mph becoming west after midnight.

    Low: 10 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 23. Southwest wind 8 to 15 mph, with gusts as high as 28 mph.

    High: 23 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 4. Breezy.

    Low: 4 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 12.

    High: 12 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 0.

    Low: 0 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A chance of snow before 4pm. Mostly cloudy, with a high near 30. West wind around 8 mph. Chance of precipitation is 50%. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
A chance of snow after 4am. Mostly cloudy, with a low around 20. West wind around 10 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Sunday
A chance of snow. Cloudy, with a high near 27. West wind 6 to 8 mph becoming north in the afternoon. Chance of precipitation is 50%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Mostly cloudy, with a low around 10. Wind chill values as low as -1. North wind around 8 mph becoming west after midnight.
M.L.King Day
Partly sunny, with a high near 23. Southwest wind 8 to 15 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 4. Breezy.
Tuesday
Mostly sunny, with a high near 12.
Tuesday Night
Mostly clear, with a low around 0.
Wednesday
Partly sunny, with a high near 22.
Wednesday Night
Mostly cloudy, with a low around 14.
Thursday
A chance of snow showers. Partly sunny, with a high near 27. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 4.
Friday
Mostly sunny, with a high near 19.
Friday Night
Mostly cloudy, with a low around 8.
Saturday
Partly sunny, with a high near 21.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Sundown NY
 41.96°N 74.44°W (Elev. 2451 ft)
Last Update:
12:53 pm EST Jan 17, 2026
Forecast Valid:
3pm EST Jan 17, 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