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.

Overcast

58°F

14°C

Humidity 62%
Wind Speed SE 13 G 21 mph
Barometer 30.14 in (1020.9 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 4 Apr 6:56 pm EDT
Extended Forecast for

Tennanah Lake NY

  • Tonight

    Tonight: A chance of showers, mainly after 9pm. Mostly cloudy, with a low around 38. Southeast wind 14 to 16 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers, mainly before 3pm. High near 52. South wind 9 to 11 mph becoming west in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28. Northwest wind around 14 mph.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain and snow showers after 2pm. Partly sunny, with a high near 40. West wind 10 to 14 mph. Chance of precipitation is 20%.

    High: 40 °F

    Partly Sunny
    then Slight
    Chance
    Rain/Snow

  • Monday Night

    Monday Night: A slight chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 28. West wind 6 to 8 mph. Chance of precipitation is 40%.

    Low: 28 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Tuesday

    Tuesday: A slight chance of snow showers before 2pm. Partly sunny, with a high near 34. Chance of precipitation is 20%.

    High: 34 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers, mainly after 9pm. Mostly cloudy, with a low around 38. Southeast wind 14 to 16 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers, mainly before 3pm. High near 52. South wind 9 to 11 mph becoming west in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Mostly cloudy, with a low around 28. Northwest wind around 14 mph.
Monday
A slight chance of rain and snow showers after 2pm. Partly sunny, with a high near 40. West wind 10 to 14 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 28. West wind 6 to 8 mph. Chance of precipitation is 40%.
Tuesday
A slight chance of snow showers before 2pm. Partly sunny, with a high near 34. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 17.
Wednesday
Sunny, with a high near 44.
Wednesday Night
Mostly clear, with a low around 26.
Thursday
Mostly sunny, with a high near 53.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 61.
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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:
3:23 pm EDT Apr 4, 2026
Forecast Valid:
7pm EDT Apr 4, 2026-6pm EDT Apr 11, 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