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

24°F

-4°C

Humidity 96%
Wind Speed W 3 mph
Barometer 29.80 in (1010.9 mb)
Dewpoint 23°F (-5°C)
Visibility 9.00 mi
Last update 18 Jan 8:56 pm EST
Extended Forecast for

5 Miles NNE Sundown NY

Winter Weather Advisory January 18, 09:17pm until January 19, 04:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 18, 09:17pm until January 19, 04:00am

    NOW until 4:00am Mon

    Winter Weather Advisory

  • Tonight

    Low: 10 °F

    Chance Snow

  • M.L.King Day

    M.L.King Day: A slight chance of snow showers after 4pm. Partly sunny, with a high near 22. Wind chill values as low as zero. Southwest wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 22 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 3. Wind chill values as low as -12. West wind 15 to 17 mph, with gusts as high as 30 mph.

    Low: 3 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 12. Wind chill values as low as -14. West wind around 14 mph, with gusts as high as 26 mph.

    High: 12 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around -1. West wind 9 to 13 mph.

    Low: -1 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 21.

    High: 21 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow. Partly sunny, with a high near 29. Chance of precipitation is 30%.

    High: 29 °F

    Chance Snow

Detailed Forecast

Tonight
A chance of snow before 1am. Mostly cloudy, with a low around 10. Wind chill values as low as -1. North wind around 9 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than one inch possible.
M.L.King Day
A slight chance of snow showers after 4pm. Partly sunny, with a high near 22. Wind chill values as low as zero. Southwest wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 3. Wind chill values as low as -12. West wind 15 to 17 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 12. Wind chill values as low as -14. West wind around 14 mph, with gusts as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around -1. West wind 9 to 13 mph.
Wednesday
Partly sunny, with a high near 21.
Wednesday Night
Mostly cloudy, with a low around 13.
Thursday
A chance of snow. Partly sunny, with a high near 29. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 5.
Friday
Partly sunny, with a high near 18.
Friday Night
Mostly cloudy, with a low around 4.
Saturday
A chance of snow. Partly sunny, with a high near 16. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around -1.
Sunday
A chance of snow. Partly sunny and cold, with a high near 10. Chance of precipitation is 30%.
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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:
6:53 pm EST Jan 18, 2026
Forecast Valid:
9pm EST Jan 18, 2026-6pm EST Jan 25, 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