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

39°F

4°C

Humidity 38%
Wind Speed SE 15 mph
Barometer 30.30 in (1027.4 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 15 Mar 2:56 pm EDT
Extended Forecast for

Swan Lake NY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 41. Southeast wind 11 to 13 mph.

    High: 41 °F

    Partly Sunny

  • Tonight

    Tonight: Rain, mainly after 2am. Low around 34. Southeast wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Chance Rain
    then Rain

  • Monday

    Monday: Rain before 3pm, then showers likely between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe. High near 60. South wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 60 °F

    Rain then
    Severe
    Thunderstorms

  • Monday Night

    Monday Night: Rain showers before 2am, then a chance of rain and snow showers. Some thunder is also possible. Low around 23. South wind around 14 mph becoming west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Severe
    Thunderstorms
    then
    Rain/Snow

  • Tuesday

    Tuesday: A chance of snow before 8am. Partly sunny, with a high near 31. West wind around 15 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.

    High: 31 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 41. Southeast wind 11 to 13 mph.
Tonight
Rain, mainly after 2am. Low around 34. Southeast wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain before 3pm, then showers likely between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe. High near 60. South wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Rain showers before 2am, then a chance of rain and snow showers. Some thunder is also possible. Low around 23. South wind around 14 mph becoming west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday
A chance of snow before 8am. Partly sunny, with a high near 31. West wind around 15 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 14.
Wednesday
Mostly sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 21.
Thursday
Partly sunny, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 47.
Friday Night
A chance of rain. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Saturday
A chance of rain. Mostly cloudy, with a high near 47. Chance of precipitation is 40%.
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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:
2:30 pm EDT Mar 15, 2026
Forecast Valid:
3pm EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation