Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Freezing Fog

15°F

-9°C

Humidity 95%
Wind Speed Calm
Barometer 30.12 in (1022.4 mb)
Dewpoint 14°F (-10°C)
Visibility 0.25 mi
Last update 28 Dec 7:56 am EST
Extended Forecast for

Tennanah Lake NY

Winter Weather Advisory December 28, 02:00pm until December 29, 04:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Today

    Today: A chance of freezing rain, mainly after 4pm.  Mostly cloudy, with a high near 30. Calm wind becoming south around 6 mph in the afternoon.  Chance of precipitation is 30%.

    High: 30 °F

    Partly Sunny
    then Chance
    Freezing Rain

  • Tonight

    Tonight: Freezing rain before 1am, then a chance of rain or freezing rain between 1am and 2am, then rain after 2am.  Temperature rising to around 36 by 5am. South wind 8 to 11 mph.  Chance of precipitation is 100%. New ice accumulation of around a 0.1 of an inch possible.

    Low: 29 °F

    Freezing Rain
    then
    Rain/Freezing
    Rain

  • Monday

    Monday: Rain showers before 4pm, then a slight chance of rain and snow showers.  High near 41. South wind 9 to 17 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 41 °F

    Rain then
    Rain/Snow

  • Monday Night

    Monday Night: A slight chance of snow showers before 7pm, then a chance of snow showers after 1am.  Mostly cloudy, with a low around 16. Wind chill values as low as -1. Breezy, with a west wind 18 to 23 mph, with gusts as high as 33 mph.  Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 16 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Snow Showers

  • Tuesday

    Tuesday: A chance of snow showers.  Mostly cloudy, with a high near 19. Breezy, with a west wind 16 to 22 mph, with gusts as high as 34 mph.  Chance of precipitation is 40%.

    High: 19 °F

    Chance Snow
    Showers and
    Breezy

  • Tuesday Night

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

    Low: 17 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow showers after 1pm.  Mostly cloudy, with a high near 24. Chance of precipitation is 40%.

    High: 24 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: A chance of snow showers.  Mostly cloudy, with a low around 12. Chance of precipitation is 50%.

    Low: 12 °F

    Chance Snow
    Showers

  • New Year's Day

    New Year's Day: A chance of snow showers.  Partly sunny, with a high near 20. Chance of precipitation is 40%.

    High: 20 °F

    Chance Snow
    Showers

Detailed Forecast

Today
A chance of freezing rain, mainly after 4pm. Mostly cloudy, with a high near 30. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 30%.
Tonight
Freezing rain before 1am, then a chance of rain or freezing rain between 1am and 2am, then rain after 2am. Temperature rising to around 36 by 5am. South wind 8 to 11 mph. Chance of precipitation is 100%. New ice accumulation of around a 0.1 of an inch possible.
Monday
Rain showers before 4pm, then a slight chance of rain and snow showers. High near 41. South wind 9 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Monday Night
A slight chance of snow showers before 7pm, then a chance of snow showers after 1am. Mostly cloudy, with a low around 16. Wind chill values as low as -1. Breezy, with a west wind 18 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 19. Breezy, with a west wind 16 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 24. Chance of precipitation is 40%.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 12. Chance of precipitation is 50%.
New Year's Day
A chance of snow showers. Partly sunny, with a high near 20. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 7.
Friday
Partly sunny, with a high near 18.
Friday Night
Mostly cloudy, with a low around 9.
Saturday
Mostly cloudy, with a high near 24.
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ABOUT THIS FORECAST

 
Point Forecast:
Tennanah Lake NY
 41.88°N 74.95°W (Elev. 2280 ft)
5:57 am EST Dec 28, 2025
8am EST Dec 28, 2025-6pm EST Jan 3, 2026
 
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Additional Resources

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