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

0°F

-18°C

Humidity 76%
Wind Speed NW 9 G 22 mph
Barometer 30.02 in (1020.0 mb)
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Wind Chill-15°F (-26°C)
Last update 30 Jan 7:56 am EST
Extended Forecast for

Tennanah Lake NY

Cold Weather Advisory January 30, 08:06am until February 1, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 30, 08:06am until February 1, 09:00am

    NOW until 9:00am Sun

    Cold Weather Advisory

  • Today

    High: 5 °F

    Cold

  • Tonight

    Tonight: Partly cloudy, with a low around -4. Wind chill values as low as -18. Northwest wind 8 to 11 mph.

    Low: -4 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 12. Wind chill values as low as -18. North wind around 8 mph.

    High: 12 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -4. Wind chill values as low as -19. North wind around 10 mph.

    Low: -4 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 13. North wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 13 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 8.

    Low: 8 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny and cold, with a high near 5. Wind chill values as low as -22. Northwest wind around 11 mph, with gusts as high as 22 mph.
Tonight
Partly cloudy, with a low around -4. Wind chill values as low as -18. Northwest wind 8 to 11 mph.
Saturday
Mostly sunny, with a high near 12. Wind chill values as low as -18. North wind around 8 mph.
Saturday Night
Partly cloudy, with a low around -4. Wind chill values as low as -19. North wind around 10 mph.
Sunday
Mostly sunny, with a high near 13. North wind 11 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 3.
Monday
Mostly sunny, with a high near 22.
Monday Night
Mostly cloudy, with a low around 8.
Tuesday
Partly sunny, with a high near 23.
Tuesday Night
Mostly cloudy, with a low around 8.
Wednesday
Mostly sunny, with a high near 23.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 7. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 22.
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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:
6:07 am EST Jan 30, 2026
Forecast Valid:
8am EST Jan 30, 2026-6pm EST Feb 5, 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