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 Fog/Mist

30°F

-1°C

Humidity 100%
Wind Speed SE 6 mph
Barometer 29.67 in (1006.5 mb)
Dewpoint 30°F (-1°C)
Visibility 1.50 mi
Wind Chill24°F (-4°C)
Last update 28 Dec 11:56 pm EST
Extended Forecast for

Downsville NY

Wind Advisory December 29, 10:00am until December 30, 07:00pm
Winter Weather Advisory December 29, 12:45am until December 29, 04:00am
Click here for hazard details and duration
Wind Advisory
Winter Weather Advisory
  •  
    Winter Weather Advisory December 29, 12:45am until December 29, 04:00am

    NOW until 4:00am Mon

    Winter Weather Advisory

  • Overnight

    Low: 30 °F

    Rain/Freezing
    Rain and
    Patchy Fog

  • Monday

    Monday: Rain before 11am, then a slight chance of showers between 11am and 2pm. Patchy fog before 10am. High near 46. South wind 5 to 13 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Rain and
    Patchy Fog
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 16. West wind 9 to 11 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 16 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Tuesday

    Tuesday: A chance of snow showers. Mostly cloudy, with a high near 23. West wind 10 to 13 mph, with gusts as high as 37 mph. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.

    High: 23 °F

    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: A chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 17. West wind 5 to 7 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 17 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 70%.

    High: 28 °F

    Snow Showers
    Likely

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 10. Chance of precipitation is 60%.

    Low: 10 °F

    Snow Showers
    Likely

  • New Year's Day

    New Year's Day: A chance of snow showers. Partly sunny, with a high near 20. Chance of precipitation is 40%.

    High: 20 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
A chance of freezing rain before 4am, then rain. Patchy fog. Low around 30. South wind around 6 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. Total nighttime ice accumulation of around a 0.2 of an inch possible.
Monday
Rain before 11am, then a slight chance of showers between 11am and 2pm. Patchy fog before 10am. High near 46. South wind 5 to 13 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 16. West wind 9 to 11 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 23. West wind 10 to 13 mph, with gusts as high as 37 mph. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.
Tuesday Night
A chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 17. West wind 5 to 7 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Wednesday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 28. Chance of precipitation is 70%.
Wednesday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 10. Chance of precipitation is 60%.
New Year's Day
A chance of snow showers. Partly sunny, with a high near 20. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 7.
Friday
Partly sunny, with a high near 22.
Friday Night
Mostly cloudy, with a low around 11.
Saturday
Partly sunny, with a high near 28.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 29.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Downsville NY
 42.09°N 75°W (Elev. 1299 ft)
Last Update:
8:52 pm EST Dec 28, 2025
Forecast Valid:
12am EST Dec 29, 2025-6pm EST Jan 4, 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