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.

Fair

58°F

14°C

Humidity 78%
Wind Speed NA
Barometer 30.13 in (1020.7 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 3 Apr 2:56 pm EDT
Extended Forecast for

Tennanah Lake NY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 60. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 60 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers, mainly before 10pm. Mostly cloudy, with a low around 45. Southwest wind around 9 mph becoming northwest after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers, mainly after 5pm. Partly sunny, with a high near 59. North wind 5 to 7 mph becoming light and variable. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers, mainly after 8pm. Low around 40. Southeast wind 14 to 16 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Showers

  • Sunday

    Sunday: Showers, mainly before 2pm. High near 54. South wind around 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%.

    High: 54 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.

    Low: 29 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of snow showers after 2am. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Tuesday

    Tuesday: A chance of snow showers before 8am. Partly sunny, with a high near 35. Chance of precipitation is 30%.

    High: 35 °F

    Chance Snow
    Showers then
    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 60. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
A chance of showers, mainly before 10pm. Mostly cloudy, with a low around 45. Southwest wind around 9 mph becoming northwest after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of showers, mainly after 5pm. Partly sunny, with a high near 59. North wind 5 to 7 mph becoming light and variable. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers, mainly after 8pm. Low around 40. Southeast wind 14 to 16 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers, mainly before 2pm. High near 54. South wind around 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Sunday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 41.
Monday Night
A chance of snow showers after 2am. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Tuesday
A chance of snow showers before 8am. Partly sunny, with a high near 35. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 18.
Wednesday
Sunny, with a high near 45.
Wednesday Night
Mostly clear, with a low around 28.
Thursday
Mostly sunny, with a high near 56.
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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:
2:30 pm EDT Apr 3, 2026
Forecast Valid:
3pm EDT Apr 3, 2026-6pm EDT Apr 9, 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