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.

Light Snow

26°F

-3°C

Humidity 78%
Wind Speed SE 8 mph
Barometer 29.90 in (1014.4 mb)
Dewpoint 20°F (-7°C)
Visibility 9.00 mi
Wind Chill18°F (-8°C)
Last update 22 Jan 3:56 am EST
Extended Forecast for

Tennanah Lake NY

Winter Storm Watch January 25, 01:00am until January 26, 07:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Overnight

    Overnight: A slight chance of snow showers before 5am. Mostly cloudy, with a steady temperature around 27. Southwest wind around 13 mph. Chance of precipitation is 20%.

    Low: 27 °F

    Slight Chance
    Snow Showers

  • Thursday

    Thursday: Partly sunny, with a high near 31. West wind 13 to 15 mph, with gusts as high as 25 mph.

    High: 31 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 14. West wind around 13 mph.

    Low: 14 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 20. Wind chill values as low as -6. West wind 11 to 16 mph, with gusts as high as 28 mph.

    High: 20 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -3. Northwest wind 13 to 15 mph, with gusts as high as 25 mph.

    Low: -3 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 6.

    High: 6 °F

    Cold

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around -1. Chance of precipitation is 40%.

    Low: -1 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow. High near 11. Chance of precipitation is 90%.

    High: 11 °F

    Snow

  • Sunday Night

    Sunday Night: Snow. Low around 7. Chance of precipitation is 80%.

    Low: 7 °F

    Snow

Detailed Forecast

Overnight
A slight chance of snow showers before 5am. Mostly cloudy, with a steady temperature around 27. Southwest wind around 13 mph. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 31. West wind 13 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 14. West wind around 13 mph.
Friday
Partly sunny, with a high near 20. Wind chill values as low as -6. West wind 11 to 16 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around -3. Northwest wind 13 to 15 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny and cold, with a high near 6.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around -1. Chance of precipitation is 40%.
Sunday
Snow. High near 11. Chance of precipitation is 90%.
Sunday Night
Snow. Low around 7. Chance of precipitation is 80%.
Monday
A chance of snow before 1pm, then a chance of snow showers after 1pm. Mostly cloudy, with a high near 16. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 1.
Tuesday
Partly sunny, with a high near 15.
Tuesday Night
Partly cloudy, with a low around 3.
Wednesday
Partly sunny, with a high near 17.
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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:
2:07 am EST Jan 22, 2026
Forecast Valid:
4am EST Jan 22, 2026-6pm EST Jan 28, 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