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

19°F

-7°C

Humidity 81%
Wind Speed NW 15 G 25 mph
Barometer 29.76 in (1009.7 mb)
Dewpoint 14°F (-10°C)
Visibility 5.00 mi
Wind Chill5°F (-15°C)
Last update 24 Feb 3:56 am EST
Extended Forecast for

Swan Lake NY

  • Overnight

    Overnight: A chance of snow showers. Mostly cloudy, with a low around 11. Wind chill values as low as -1. Northwest wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than one inch possible.

    Low: 11 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: A chance of snow showers, mainly before 8am. Partly sunny, with a high near 20. Wind chill values as low as -5. Northwest wind 8 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 20 °F

    Chance Snow
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow showers, mainly after 1am. The snow could be heavy at times. Low around 11. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 90%. New snow accumulation of around 3 inches.

    Low: 11 °F

    Partly Cloudy
    then Heavy
    Snow

  • Wednesday

    Wednesday: Snow showers likely, possibly mixed with rain before 1pm, then a chance of rain showers between 1pm and 4pm, then a chance of rain and snow showers after 4pm. Mostly cloudy, with a high near 37. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A chance of snow showers before 7pm. Mostly cloudy, with a low around 20. West wind around 6 mph. Chance of precipitation is 30%.

    Low: 20 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: A chance of snow showers after 1pm. Partly sunny, with a high near 32. Chance of precipitation is 30%.

    High: 32 °F

    Partly Sunny
    then Chance
    Snow Showers

  • Thursday Night

    Thursday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.

    Low: 15 °F

    Chance Snow
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of snow showers. Mostly cloudy, with a low around 11. Wind chill values as low as -1. Northwest wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than one inch possible.
Tuesday
A chance of snow showers, mainly before 8am. Partly sunny, with a high near 20. Wind chill values as low as -5. Northwest wind 8 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow showers, mainly after 1am. The snow could be heavy at times. Low around 11. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 90%. New snow accumulation of around 3 inches.
Wednesday
Snow showers likely, possibly mixed with rain before 1pm, then a chance of rain showers between 1pm and 4pm, then a chance of rain and snow showers after 4pm. Mostly cloudy, with a high near 37. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday Night
A chance of snow showers before 7pm. Mostly cloudy, with a low around 20. West wind around 6 mph. Chance of precipitation is 30%.
Thursday
A chance of snow showers after 1pm. Partly sunny, with a high near 32. Chance of precipitation is 30%.
Thursday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 37.
Friday Night
Mostly clear, with a low around 19.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 30.
Sunday Night
Mostly cloudy, with a low around 7.
Monday
A chance of snow. Partly sunny, with a high near 23. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Swan Lake NY
 41.76°N 74.8°W (Elev. 1404 ft)
Last Update:
4:09 am EST Feb 24, 2026
Forecast Valid:
4am EST Feb 24, 2026-6pm EST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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