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.

Light Snow

25°F

-4°C

Humidity 72%
Wind Speed NW 17 G 30 mph
Barometer 29.92 in (1014.7 mb)
Dewpoint 17°F (-8°C)
Visibility 9.00 mi
Wind Chill12°F (-11°C)
Last update 11 Jan 10:56 pm EST
Extended Forecast for

Tennanah Lake NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 20. Blustery, with a northwest wind 17 to 22 mph, with gusts as high as 36 mph.

    Low: 20 °F

    Mostly Cloudy
    and Blustery

  • Monday

    Monday: Mostly sunny, with a high near 31. West wind 9 to 13 mph.

    High: 31 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24. West wind 7 to 9 mph.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. West wind around 7 mph becoming south in the afternoon.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 30. South wind around 10 mph. Chance of precipitation is 20%.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: A chance of rain and snow showers before 1pm, then a chance of rain showers. Mostly cloudy, with a high near 37. Chance of precipitation is 50%.

    High: 37 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain before 8pm, then a chance of rain and snow between 8pm and 10pm, then snow likely after 10pm. Mostly cloudy, with a low around 26. Chance of precipitation is 70%.

    Low: 26 °F

    Chance
    Rain/Snow
    then Snow
    Likely

  • Thursday

    Thursday: Snow likely. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.

    High: 28 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A chance of snow showers. Mostly cloudy, with a low around 12. Chance of precipitation is 40%.

    Low: 12 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 20. Blustery, with a northwest wind 17 to 22 mph, with gusts as high as 36 mph.
Monday
Mostly sunny, with a high near 31. West wind 9 to 13 mph.
Monday Night
Mostly cloudy, with a low around 24. West wind 7 to 9 mph.
Tuesday
Mostly sunny, with a high near 35. West wind around 7 mph becoming south in the afternoon.
Tuesday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 30. South wind around 10 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain and snow showers before 1pm, then a chance of rain showers. Mostly cloudy, with a high near 37. Chance of precipitation is 50%.
Wednesday Night
A chance of rain before 8pm, then a chance of rain and snow between 8pm and 10pm, then snow likely after 10pm. Mostly cloudy, with a low around 26. Chance of precipitation is 70%.
Thursday
Snow likely. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 12. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 21.
Friday Night
Partly cloudy, with a low around 12.
Saturday
Mostly sunny, with a high near 26.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Partly sunny, with a high near 26. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tennanah Lake NY
 41.88°N 74.95°W (Elev. 2280 ft)
Last Update:
3:22 pm EST Jan 11, 2026
Forecast Valid:
11pm EST Jan 11, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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