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.

Partly Cloudy

39°F

4°C

Humidity 36%
Wind Speed W 14 G 24 mph
Barometer 29.89 in (1013.5 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 22 Jan 2:56 pm EST
Extended Forecast for

Swan Lake NY

Winter Storm Watch January 25, 01:00am until January 26, 07:00pm
Cold Weather Advisory January 23, 07:00pm until January 24, 10:00am
Click here for hazard details and duration
Winter Storm Watch
Cold Weather Advisory

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 35. West wind around 11 mph, with gusts as high as 25 mph.

    High: 35 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 14. West wind around 7 mph.

    Low: 14 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 24. Wind chill values as low as -1. West wind 7 to 15 mph, with gusts as high as 26 mph.

    High: 24 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -2. Wind chill values as low as -16. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.

    Low: -2 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 10. Northwest wind around 7 mph.

    High: 10 °F

    Cold

  • Saturday Night

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

    Low: 1 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 14. Chance of precipitation is 90%.

    High: 14 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Low around 8. Chance of precipitation is 100%.

    Low: 8 °F

    Heavy Snow

  • Monday

    Monday: Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 20. Chance of precipitation is 60%.

    High: 20 °F

    Snow Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 35. West wind around 11 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 14. West wind around 7 mph.
Friday
Mostly sunny, with a high near 24. Wind chill values as low as -1. West wind 7 to 15 mph, with gusts as high as 26 mph.
Friday Night
Partly cloudy, with a low around -2. Wind chill values as low as -16. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.
Saturday
Mostly sunny and cold, with a high near 10. Northwest wind around 7 mph.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 1. Chance of precipitation is 40%.
Sunday
Snow. The snow could be heavy at times. High near 14. Chance of precipitation is 90%.
Sunday Night
Snow. The snow could be heavy at times. Low around 8. Chance of precipitation is 100%.
Monday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 20. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 2.
Tuesday
Partly sunny, with a high near 14.
Tuesday Night
Partly cloudy, with a low around 1.
Wednesday
Partly sunny, with a high near 18.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Swan Lake NY
 41.75°N 74.77°W (Elev. 1404 ft)
Last Update:
3:22 pm EST Jan 22, 2026
Forecast Valid:
3pm EST Jan 22, 2026-6pm EST Jan 28, 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