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

Upper Mongaup NY

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

  • Today

    Today: Mostly sunny, with a high near 36. West wind 10 to 15 mph, with gusts as high as 28 mph.

    High: 36 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 17. West wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 26. West wind 8 to 14 mph, with gusts as high as 29 mph.

    High: 26 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 0. Wind chill values as low as -14. Northwest wind 9 to 13 mph, with gusts as high as 29 mph.

    Low: 0 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 11. Northwest wind 6 to 8 mph.

    High: 11 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 3. Chance of precipitation is 50%.

    Low: 3 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow. High near 13. Chance of precipitation is 90%.

    High: 13 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before 1am. Cloudy, with a low around 8. Chance of precipitation is 70%.

    Low: 8 °F

    Snow Likely

  • Monday

    Monday: A chance of snow before 1pm. Mostly cloudy, with a high near 19. Chance of precipitation is 40%.

    High: 19 °F

    Chance Snow

Detailed Forecast

Today
Mostly sunny, with a high near 36. West wind 10 to 15 mph, with gusts as high as 28 mph.
Tonight
Partly cloudy, with a low around 17. West wind 8 to 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 26. West wind 8 to 14 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 0. Wind chill values as low as -14. Northwest wind 9 to 13 mph, with gusts as high as 29 mph.
Saturday
Mostly sunny, with a high near 11. Northwest wind 6 to 8 mph.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 3. Chance of precipitation is 50%.
Sunday
Snow. High near 13. Chance of precipitation is 90%.
Sunday Night
Snow likely, mainly before 1am. Cloudy, with a low around 8. Chance of precipitation is 70%.
Monday
A chance of snow before 1pm. Mostly cloudy, with a high near 19. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 2.
Tuesday
Mostly sunny, with a high near 19.
Tuesday Night
Partly cloudy, with a low around 4.
Wednesday
Partly sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Upper Mongaup NY
 41.47°N 74.8°W (Elev. 1224 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