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.

Overcast

23°F

-5°C

Humidity 72%
Wind Speed W 5 mph
Barometer 30.07 in (1020.8 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 3 Feb 8:56 pm EST
Extended Forecast for

Swan Lake NY

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 7. Calm wind becoming northwest around 5 mph after midnight.

    Low: 7 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 24. Wind chill values as low as -3. Northwest wind 6 to 8 mph.

    High: 24 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 6. Wind chill values as low as -2. Northwest wind around 5 mph.

    Low: 6 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 23. Wind chill values as low as -3. Northwest wind around 6 mph.

    High: 23 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 1. Light northwest wind.

    Low: 1 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow showers after 1pm. Partly sunny, with a high near 24. Chance of precipitation is 30%.

    High: 24 °F

    Mostly Sunny
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around -3. Chance of precipitation is 40%.

    Low: -3 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 6. Blustery.

    High: 6 °F

    Cold and
    Blustery

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -6.

    Low: -6 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 7. Calm wind becoming northwest around 5 mph after midnight.
Wednesday
Sunny, with a high near 24. Wind chill values as low as -3. Northwest wind 6 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 6. Wind chill values as low as -2. Northwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 23. Wind chill values as low as -3. Northwest wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 1. Light northwest wind.
Friday
A chance of snow showers after 1pm. Partly sunny, with a high near 24. Chance of precipitation is 30%.
Friday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around -3. Chance of precipitation is 40%.
Saturday
Mostly sunny and cold, with a high near 6. Blustery.
Saturday Night
Partly cloudy, with a low around -6.
Sunday
Mostly sunny and cold, with a high near 9.
Sunday Night
Partly cloudy, with a low around -5.
Monday
Mostly sunny, with a high near 15.
Monday Night
Partly cloudy, with a low around 1.
Tuesday
Mostly sunny, with a high near 25.
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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:
5:36 pm EST Feb 3, 2026
Forecast Valid:
9pm EST Feb 3, 2026-6pm EST Feb 10, 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