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.

Fair

13°F

-11°C

Humidity 59%
Wind Speed NW 13 mph
Barometer 29.80 in (1012.4 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 1 Feb 4:56 pm EST
Extended Forecast for

Swan Lake NY

Cold Weather Advisory February 1, 07:00pm until February 2, 10:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 3. Wind chill values as low as -11. Northwest wind around 11 mph, with gusts as high as 22 mph.

    Low: 3 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 24. Wind chill values as low as -10. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 24 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 5. Northwest wind around 6 mph becoming calm after midnight.

    Low: 5 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27. Calm wind becoming west around 5 mph in the afternoon.

    High: 27 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 8. Calm wind.

    Low: 8 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 3. Wind chill values as low as -11. Northwest wind around 11 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 24. Wind chill values as low as -10. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 5. Northwest wind around 6 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 27. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 8. Calm wind.
Wednesday
Mostly sunny, with a high near 23.
Wednesday Night
Mostly cloudy, with a low around 4.
Thursday
Mostly sunny, with a high near 23.
Thursday Night
Partly cloudy, with a low around 2.
Friday
A chance of snow showers. Mostly cloudy, with a high near 24. Chance of precipitation is 50%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 1. Chance of precipitation is 30%.
Saturday
A chance of flurries. Mostly sunny and cold, with a high near 9.
Saturday Night
Partly cloudy, with a low around -4.
Sunday
A chance of flurries. Mostly sunny, with a high near 11.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Swan Lake NY
 41.76°N 74.8°W (Elev. 1404 ft)
Last Update:
3:22 pm EST Feb 1, 2026
Forecast Valid:
5pm EST Feb 1, 2026-6pm EST Feb 8, 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