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.

Mostly Cloudy

34°F

1°C

Humidity 92%
Wind Speed NE 3 mph
Barometer 30.33 in (1027.7 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 10 Apr 4:56 am EDT
Extended Forecast for

Tennanah Lake NY

  • Today

    Today: Sunny, with a high near 65. Southwest wind 6 to 10 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Occasional showers, mainly before 2am. Low around 36. Southwest wind 10 to 13 mph becoming northwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Showers then
    Scattered
    Showers

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 47. Northwest wind 10 to 14 mph.

    High: 47 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. North wind 5 to 8 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of sprinkles after 2pm. Partly sunny, with a high near 51. Light southeast wind becoming south 5 to 9 mph in the morning.

    High: 51 °F

    Chance
    Sprinkles

  • Sunday Night

    Sunday Night: A chance of sprinkles before 2am. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Sprinkles

  • Monday

    Monday: A chance of showers before 2pm, then a chance of sprinkles after 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 30%.

    High: 62 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of sprinkles before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.

    Low: 53 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 30%.

    High: 71 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 65. Southwest wind 6 to 10 mph.
Tonight
Occasional showers, mainly before 2am. Low around 36. Southwest wind 10 to 13 mph becoming northwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 47. Northwest wind 10 to 14 mph.
Saturday Night
Mostly clear, with a low around 29. North wind 5 to 8 mph.
Sunday
A chance of sprinkles after 2pm. Partly sunny, with a high near 51. Light southeast wind becoming south 5 to 9 mph in the morning.
Sunday Night
A chance of sprinkles before 2am. Mostly cloudy, with a low around 43.
Monday
A chance of showers before 2pm, then a chance of sprinkles after 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 30%.
Monday Night
A chance of sprinkles before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Tuesday
A chance of showers after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Wednesday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Thursday
Partly sunny, with a high near 70.
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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 am EDT Apr 10, 2026
Forecast Valid:
5am EDT Apr 10, 2026-6pm EDT Apr 16, 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