National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Light Rain Fog/Mist

36°F

2°C

Humidity 100%
Wind Speed NW 7 mph
Barometer 29.51 in (1000.1 mb)
Dewpoint 36°F (2°C)
Visibility 6.00 mi
Wind Chill30°F (-1°C)
Last update 13 Nov 12:56 am EST
Extended Forecast for

Tennanah Lake NY

  • Overnight

    Overnight: Snow showers, possibly mixed with rain. Low around 31. North wind around 9 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow

  • Friday

    Friday: Snow showers, mainly before 10am, then a chance of snow after 1pm. High near 34. North wind around 9 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Snow Showers
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27. North wind around 9 mph.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow showers after 1pm. Mostly cloudy, with a high near 37. Northwest wind around 9 mph. Chance of precipitation is 20%.

    High: 37 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: A chance of snow showers after 1am. Mostly cloudy, with a low around 30. Northwest wind around 8 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Sunday

    Sunday: A slight chance of snow showers before 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Snow Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow showers, possibly mixed with rain. Low around 31. North wind around 9 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.
Friday
Snow showers, mainly before 10am, then a chance of snow after 1pm. High near 34. North wind around 9 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday Night
Mostly cloudy, with a low around 27. North wind around 9 mph.
Saturday
A slight chance of snow showers after 1pm. Mostly cloudy, with a high near 37. Northwest wind around 9 mph. Chance of precipitation is 20%.
Saturday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 30. Northwest wind around 8 mph. Chance of precipitation is 30%.
Sunday
A slight chance of snow showers before 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Mostly clear, with a low around 28.
Wednesday
Sunny, with a high near 52.
Wednesday Night
Mostly clear, with a low around 30.
Thursday
Sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tennanah Lake NY
 41.89°N 75.01°W (Elev. 1804 ft)
Last Update:
1:07 am EST Nov 13, 2026
Forecast Valid:
1am EST Nov 13, 2026-6pm EST Nov 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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