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.

Fog/Mist

36°F

2°C

Humidity 100%
Wind Speed SE 9 mph
Barometer 30.36 in (1029.4 mb)
Dewpoint 36°F (2°C)
Visibility 6.00 mi
Wind Chill29°F (-2°C)
Last update 3 Apr 1:56 am EDT
Extended Forecast for

Tennanah Lake NY

  • Overnight

    Overnight: A chance of showers. Areas of fog. Otherwise, cloudy, with a low around 36. South wind 11 to 13 mph. Chance of precipitation is 30%.

    Low: 36 °F

    Chance
    Showers and
    Areas Fog

  • Friday

    Friday: Areas of fog before noon. Otherwise, mostly cloudy, with a high near 63. South wind around 10 mph, with gusts as high as 20 mph.

    High: 63 °F

    Areas Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: A slight chance of showers before 9pm. Mostly cloudy, with a low around 47. Southwest wind 7 to 9 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Showers likely, mainly after 2pm. Partly sunny, with a high near 62. Light and variable wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers. Low around 44. Southeast wind around 14 mph. Chance of precipitation is 80%.

    Low: 44 °F

    Showers

  • Sunday

    Sunday: Showers, mainly before 2pm. High near 51. Chance of precipitation is 90%.

    High: 51 °F

    Showers

  • Sunday Night

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

    Low: 30 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 40.

    High: 40 °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 30%.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Overnight
A chance of showers. Areas of fog. Otherwise, cloudy, with a low around 36. South wind 11 to 13 mph. Chance of precipitation is 30%.
Friday
Areas of fog before noon. Otherwise, mostly cloudy, with a high near 63. South wind around 10 mph, with gusts as high as 20 mph.
Friday Night
A slight chance of showers before 9pm. Mostly cloudy, with a low around 47. Southwest wind 7 to 9 mph becoming northwest after midnight. Chance of precipitation is 20%.
Saturday
Showers likely, mainly after 2pm. Partly sunny, with a high near 62. Light and variable wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers. Low around 44. Southeast wind around 14 mph. Chance of precipitation is 80%.
Sunday
Showers, mainly before 2pm. High near 51. Chance of precipitation is 90%.
Sunday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 40.
Monday Night
A chance of snow showers after 2am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Tuesday
A chance of snow showers before 2pm. Partly sunny, with a high near 38. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 20.
Wednesday
Sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 57.
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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 3, 2026
Forecast Valid:
4am 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