Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Mostly Cloudy

27°F

-3°C

Humidity 69%
Wind Speed NW 15 G 24 mph
Barometer 29.69 in (1007.0 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 23 Feb 5:56 pm EST
Extended Forecast for

Tennanah Lake NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 10. Wind chill values as low as -3. Northwest wind around 16 mph, with gusts as high as 30 mph.

    Low: 10 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 17. Wind chill values as low as -6. Northwest wind 8 to 14 mph.

    High: 17 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow after 1am.  Low around 9. Wind chill values as low as zero. Light and variable wind becoming south 5 to 10 mph in the evening.  Chance of precipitation is 80%. New snow accumulation of around 2 inches.

    Low: 9 °F

    Partly Cloudy
    then Snow

  • Wednesday

    Wednesday: Snow likely, mainly before 1pm.  Mostly cloudy, with a high near 34. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New snow accumulation of around 2 inches.

    High: 34 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 18. West wind 8 to 10 mph.

    Low: 18 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow, mainly after 1pm.  Partly sunny, with a high near 30. Chance of precipitation is 50%.

    High: 30 °F

    Slight Chance
    Snow then
    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow.  Mostly cloudy, with a low around 18. Chance of precipitation is 50%.

    Low: 18 °F

    Chance Snow

  • Friday

    Friday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 10. Wind chill values as low as -3. Northwest wind around 16 mph, with gusts as high as 30 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 17. Wind chill values as low as -6. Northwest wind 8 to 14 mph.
Tuesday Night
Snow after 1am. Low around 9. Wind chill values as low as zero. Light and variable wind becoming south 5 to 10 mph in the evening. Chance of precipitation is 80%. New snow accumulation of around 2 inches.
Wednesday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 34. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of around 2 inches.
Wednesday Night
Mostly cloudy, with a low around 18. West wind 8 to 10 mph.
Thursday
A chance of snow, mainly after 1pm. Partly sunny, with a high near 30. Chance of precipitation is 50%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 18. Chance of precipitation is 50%.
Friday
Mostly sunny, with a high near 33.
Friday Night
Mostly clear, with a low around 20.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Partly sunny, with a high near 29.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 10. Chance of precipitation is 30%.
Monday
A chance of snow. Partly sunny, with a high near 21. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Tennanah Lake NY
 41.88°N 74.95°W (Elev. 2280 ft)
3:22 pm EST Feb 23, 2026
6pm EST Feb 23, 2026-6pm EST Mar 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

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