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

32°F

0°C

Humidity 92%
Wind Speed W 7 mph
Barometer 29.86 in (1012.6 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 21 Feb 7:56 am EST
Extended Forecast for

Mongaup Valley NY

Winter Storm Watch February 22, 07:00am until February 23, 07:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Today

    Today: Mostly cloudy, with a high near 38. West wind 3 to 6 mph.

    High: 38 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of snow after 5am. Mostly cloudy, with a low around 24. Calm wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow, mainly after 7am. High near 32. East wind 5 to 8 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 32 °F

    Snow

  • Sunday Night

    Sunday Night: Snow. Low around 23. Northeast wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of around 5 inches.

    Low: 23 °F

    Snow

  • Monday

    Monday: Snow likely, mainly before 1pm. Mostly cloudy, with a high near 32. North wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

    High: 32 °F

    Snow Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.

    High: 34 °F

    Chance Snow

Detailed Forecast

Today
Mostly cloudy, with a high near 38. West wind 3 to 6 mph.
Tonight
A chance of snow after 5am. Mostly cloudy, with a low around 24. Calm wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Sunday
Snow, mainly after 7am. High near 32. East wind 5 to 8 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Sunday Night
Snow. Low around 23. Northeast wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of around 5 inches.
Monday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 32. North wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 24.
Tuesday Night
Mostly cloudy, with a low around 9.
Wednesday
A chance of snow. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.
Wednesday Night
A chance of snow before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 24. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 36.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mongaup Valley NY
 41.65°N 74.79°W (Elev. 1181 ft)
Last Update:
6:08 am EST Feb 21, 2026
Forecast Valid:
8am EST Feb 21, 2026-6pm EST Feb 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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