National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Overcast

31°F

-1°C

Humidity 69%
Wind Speed Calm
Barometer 30.04 in (1018.7 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 7 Dec 10:56 am EST
Extended Forecast for

5 Miles NNE Sundown NY

  • Today

    Today: Mostly cloudy, with a high near 31. Southwest wind around 7 mph.

    High: 31 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 8. Wind chill values as low as -5. Northwest wind 9 to 16 mph.

    Low: 8 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 18. Wind chill values as low as -9. North wind 7 to 15 mph.

    High: 18 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around -4. Wind chill values as low as -15. Northwest wind around 7 mph.

    Low: -4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow after 1pm. Partly sunny, with a high near 23. South wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 23 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 16. Chance of precipitation is 40%.

    Low: 16 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow. High near 34. Chance of precipitation is 80%.

    High: 34 °F

    Snow

  • Wednesday Night

    Wednesday Night: A chance of snow before 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 50%.

    Low: 22 °F

    Chance Snow

  • Thursday

    Thursday: Mostly cloudy, with a high near 30.

    High: 30 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 31. Southwest wind around 7 mph.
Tonight
Mostly cloudy, with a low around 8. Wind chill values as low as -5. Northwest wind 9 to 16 mph.
Monday
Sunny, with a high near 18. Wind chill values as low as -9. North wind 7 to 15 mph.
Monday Night
Partly cloudy, with a low around -4. Wind chill values as low as -15. Northwest wind around 7 mph.
Tuesday
A slight chance of snow after 1pm. Partly sunny, with a high near 23. South wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 16. Chance of precipitation is 40%.
Wednesday
Snow. High near 34. Chance of precipitation is 80%.
Wednesday Night
A chance of snow before 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 50%.
Thursday
Mostly cloudy, with a high near 30.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.
Friday
A chance of snow. Mostly cloudy, with a high near 27. Chance of precipitation is 40%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 10. Chance of precipitation is 40%.
Saturday
A chance of snow. Mostly cloudy, with a high near 20. Chance of precipitation is 40%.
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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:
6:52 am EST Dec 7, 2025
Forecast Valid:
11am EST Dec 7, 2025-6pm EST Dec 13, 2025
 
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