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Hazardous Weather Conditions

Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Light Snow Fog/Mist

30°F

-1°C

Humidity 96%
Wind Speed E 9 mph
Barometer 29.78 in (1009.8 mb)
Dewpoint 29°F (-2°C)
Visibility 5.00 mi
Wind Chill22°F (-6°C)
Last update 20 Feb 8:56 am EST
Extended Forecast for

Swan Lake NY

Winter Weather Advisory February 20, 09:57am until February 21, 01:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 20, 09:57am until February 21, 01:00am

    NOW until 1:00am Sat

    Winter Weather Advisory

  • Today

    High: 35 °F

    Wintry Mix
    and Areas
    Freezing Fog
    then Rain and
    Areas Fog

  • Tonight

    Tonight: A chance of rain showers, mixing with snow after 10pm, then gradually ending. Areas of fog before midnight. Otherwise, mostly cloudy, with a low around 29. Light and variable wind becoming west around 6 mph in the evening. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 29 °F

    Chance
    Rain/Snow and
    Areas Fog
    then Mostly
    Cloudy

  • Saturday

    Saturday: A slight chance of rain and snow showers after 1pm. Mostly cloudy, with a high near 38. Northwest wind around 6 mph. Chance of precipitation is 20%.

    High: 38 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 25. Calm wind. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: Snow showers likely. Mostly cloudy, with a high near 31. East wind 3 to 6 mph. Chance of precipitation is 70%.

    High: 31 °F

    Snow Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 50%.

    Low: 23 °F

    Chance Snow

  • Monday

    Monday: Mostly cloudy, with a high near 34.

    High: 34 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

Today
Rain, snow, and sleet, becoming all rain after noon. Areas of fog before 2pm, then areas of fog after 3pm. Areas of freezing fog before 10am. High near 35. East wind 7 to 9 mph. Chance of precipitation is 100%. Total daytime snow and sleet accumulation of less than a half inch possible.
Tonight
A chance of rain showers, mixing with snow after 10pm, then gradually ending. Areas of fog before midnight. Otherwise, mostly cloudy, with a low around 29. Light and variable wind becoming west around 6 mph in the evening. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday
A slight chance of rain and snow showers after 1pm. Mostly cloudy, with a high near 38. Northwest wind around 6 mph. Chance of precipitation is 20%.
Saturday Night
A chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 25. Calm wind. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Sunday
Snow showers likely. Mostly cloudy, with a high near 31. East wind 3 to 6 mph. Chance of precipitation is 70%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 50%.
Monday
Mostly cloudy, with a high near 34.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Partly sunny, with a high near 27.
Tuesday Night
Mostly cloudy, with a low around 12.
Wednesday
A chance of snow. Mostly cloudy, with a high near 34. Chance of precipitation is 50%.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 40%.
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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:
9:08 am EST Feb 20, 2026
Forecast Valid:
9am EST Feb 20, 2026-6pm EST Feb 26, 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