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.

Overcast

35°F

2°C

Humidity 85%
Wind Speed W 7 mph
Barometer 29.94 in (1015.4 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 21 Feb 1:56 pm EST
Extended Forecast for

Swan Lake NY

Winter Storm Warning February 22, 01:00pm until February 23, 07:00pm
Click here for hazard details and duration
Winter Storm Warning

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 37. West wind 3 to 6 mph.

    High: 37 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of snow after 4am. Mostly cloudy, with a low around 25. Calm wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow likely, mainly before 1pm. Mostly cloudy, with a high near 29. East wind 5 to 8 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 29 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Low around 23. North wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of around 5 inches.

    Low: 23 °F

    Heavy Snow

  • Monday

    Monday: Snow likely, mainly before 1pm. Areas of blowing snow. Mostly cloudy, with a high near 31. North wind around 17 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.

    High: 31 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 21.

    High: 21 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow after 1am. Mostly cloudy, with a low around 7. Chance of precipitation is 40%.

    Low: 7 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow likely, mainly before 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 60%.

    High: 35 °F

    Snow Likely

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 37. West wind 3 to 6 mph.
Tonight
A chance of snow after 4am. Mostly cloudy, with a low around 25. Calm wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Sunday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 29. East wind 5 to 8 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Sunday Night
Snow. The snow could be heavy at times. Low around 23. North wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of around 5 inches.
Monday
Snow likely, mainly before 1pm. Areas of blowing snow. Mostly cloudy, with a high near 31. North wind around 17 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.
Monday Night
Mostly cloudy, with a low around 12.
Tuesday
Partly sunny, with a high near 21.
Tuesday Night
A chance of snow after 1am. Mostly cloudy, with a low around 7. Chance of precipitation is 40%.
Wednesday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 60%.
Wednesday Night
A chance of snow before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 50%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 23. Chance of precipitation is 50%.
Friday
A chance of snow. Partly sunny, with a high near 36. Chance of precipitation is 30%.
Basemap Options
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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:
1:13 pm EST Feb 21, 2026
Forecast Valid:
2pm EST Feb 21, 2026-6pm EST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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