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

12°F

-11°C

Humidity 51%
Wind Speed NW 15 mph
Barometer 30.12 in (1023.5 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Wind Chill-4°F (-20°C)
Last update 8 Feb 3:56 pm EST
Extended Forecast for

Upper Mongaup NY

Cold Weather Advisory until February 9, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until February 9, 10:00am

    NOW until 10:00am Mon

    Cold Weather Advisory

  • This Afternoon

    High: 11 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around -1. Wind chill values as low as -15. Northwest wind 9 to 13 mph, with gusts as high as 25 mph.

    Low: -1 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 24. Wind chill values as low as -16. Northwest wind 6 to 8 mph.

    High: 24 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 8. Northwest wind around 5 mph becoming calm in the evening.

    Low: 8 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of snow showers, mainly after 1pm. Mostly cloudy, with a high near 32. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 30%.

    High: 32 °F

    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 33.

    High: 33 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 11. Wind chill values as low as -8. Northwest wind around 14 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around -1. Wind chill values as low as -15. Northwest wind 9 to 13 mph, with gusts as high as 25 mph.
Monday
Increasing clouds, with a high near 24. Wind chill values as low as -16. Northwest wind 6 to 8 mph.
Monday Night
Mostly cloudy, with a low around 8. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
A chance of snow showers, mainly after 1pm. Mostly cloudy, with a high near 32. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 22.
Wednesday
Mostly cloudy, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 18.
Thursday
Partly sunny, with a high near 29.
Thursday Night
Partly cloudy, with a low around 12.
Friday
Mostly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 10.
Saturday
Sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Upper Mongaup NY
 41.47°N 74.77°W (Elev. 1201 ft)
Last Update:
3:22 pm EST Feb 8, 2026
Forecast Valid:
4pm EST Feb 8, 2026-6pm EST Feb 14, 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