Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fair

24°F

-4°C

Humidity 81%
Wind Speed SW 3 mph
Barometer 30.01 in (1017.9 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 13 Jan 3:56 am EST
Extended Forecast for

Tennanah Lake NY

  • Today

    Today: Mostly sunny, with a high near 36. South wind 6 to 8 mph.

    High: 36 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. South wind 8 to 11 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow, mainly after 1pm.  Mostly cloudy, with a high near 38. Southwest wind around 7 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 38 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow, possibly mixed with rain, becoming all snow after 1am.  Low around 16. South wind 7 to 11 mph becoming northwest after midnight.  Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 16 °F

    Rain/Snow

  • Thursday

    Thursday: A chance of snow.  Mostly cloudy, with a high near 18. West wind 10 to 14 mph.  Chance of precipitation is 30%.

    High: 18 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 7.

    Low: 7 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 36. South wind 6 to 8 mph.
Tonight
Mostly cloudy, with a low around 32. South wind 8 to 11 mph.
Wednesday
A chance of rain and snow, mainly after 1pm. Mostly cloudy, with a high near 38. Southwest wind around 7 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday Night
Snow, possibly mixed with rain, becoming all snow after 1am. Low around 16. South wind 7 to 11 mph becoming northwest after midnight. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Thursday
A chance of snow. Mostly cloudy, with a high near 18. West wind 10 to 14 mph. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 7.
Friday
Mostly sunny, with a high near 20.
Friday Night
Mostly cloudy, with a low around 16.
Saturday
Mostly sunny, with a high near 30.
Saturday Night
Mostly cloudy, with a low around 16.
Sunday
Partly sunny, with a high near 22.
Sunday Night
Mostly cloudy, with a low around 11.
M.L.King Day
Partly sunny, with a high near 19.
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ABOUT THIS FORECAST

 
Point Forecast:
Tennanah Lake NY
 41.88°N 74.95°W (Elev. 2280 ft)
12:33 am EST Jan 13, 2026
4am EST Jan 13, 2026-6pm EST Jan 19, 2026
 
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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