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

21°F

-6°C

Humidity 96%
Wind Speed Calm
Barometer 29.85 in (1012.9 mb)
Dewpoint 20°F (-7°C)
Visibility 9.00 mi
Last update 6 Dec 6:56 am EST
Extended Forecast for

2 Miles SSW Sundown NY

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 35. Calm wind becoming west around 6 mph in the afternoon.

    High: 35 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 20. Light northwest wind.

    Low: 20 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 33. Calm wind becoming southwest around 5 mph.

    High: 33 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A slight chance of snow showers before 1am. Mostly cloudy, with a low around 14. Calm wind becoming northwest 5 to 7 mph after midnight. Chance of precipitation is 20%.

    Low: 14 °F

    Slight Chance
    Snow Showers

  • Monday

    Monday: Mostly sunny, with a high near 22. North wind around 7 mph.

    High: 22 °F

    Mostly Sunny

  • Monday Night

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

    Low: 4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.

    Low: 20 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: A chance of snow showers before 1pm, then rain and snow showers likely. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.

    High: 36 °F

    Chance Snow
    Showers then
    Rain/Snow
    Likely

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 35. Calm wind becoming west around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 20. Light northwest wind.
Sunday
Mostly cloudy, with a high near 33. Calm wind becoming southwest around 5 mph.
Sunday Night
A slight chance of snow showers before 1am. Mostly cloudy, with a low around 14. Calm wind becoming northwest 5 to 7 mph after midnight. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 22. North wind around 7 mph.
Monday Night
Partly cloudy, with a low around 4.
Tuesday
Partly sunny, with a high near 26.
Tuesday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Wednesday
A chance of snow showers before 1pm, then rain and snow showers likely. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.
Wednesday Night
Rain and snow showers likely, mainly before 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.
Thursday
A chance of rain and snow showers. Mostly cloudy, with a high near 33. Chance of precipitation is 40%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 17. Chance of precipitation is 40%.
Friday
A chance of snow showers. Partly sunny, with a high near 27. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Sundown NY
 41.85°N 74.49°W (Elev. 1381 ft)
Last Update:
4:57 am EST Dec 6, 2025
Forecast Valid:
7am EST Dec 6, 2025-6pm EST Dec 12, 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