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.

Mostly Cloudy

39°F

4°C

Humidity 53%
Wind Speed Calm
Barometer 30.03 in (1018.0 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 6 Apr 7:56 pm EDT
Extended Forecast for

Swan Lake NY

  • Tonight

    Tonight: A slight chance of rain showers before 9pm, then a chance of snow showers after 10pm. Mostly cloudy, with a low around 30. Light and variable wind. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 30 °F

    Slight Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Tuesday

    Tuesday: A slight chance of snow showers after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 40. Northwest wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 40 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 17. Northwest wind 5 to 10 mph becoming light after midnight.

    Low: 17 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 47. Light and variable wind.

    High: 47 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Light south wind.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of rain showers before 9pm, then a chance of snow showers after 10pm. Mostly cloudy, with a low around 30. Light and variable wind. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
A slight chance of snow showers after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 40. Northwest wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 17. Northwest wind 5 to 10 mph becoming light after midnight.
Wednesday
Sunny, with a high near 47. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 25. Light south wind.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 31.
Friday
Sunny, with a high near 65.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Mostly cloudy, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Swan Lake NY
 41.76°N 74.8°W (Elev. 1404 ft)
Last Update:
7:00 pm EDT Apr 6, 2026
Forecast Valid:
8pm EDT Apr 6, 2026-6pm EDT Apr 13, 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