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

13°F

-11°C

Humidity 59%
Wind Speed NW 13 mph
Barometer 29.80 in (1012.4 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 1 Feb 4:56 pm EST
Extended Forecast for

Upper Mongaup NY

Cold Weather Advisory February 1, 07:00pm until February 2, 10:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 5. Wind chill values as low as -10. Northwest wind 11 to 14 mph, with gusts as high as 26 mph.

    Low: 5 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 25. Wind chill values as low as -8. Northwest wind around 10 mph, with gusts as high as 23 mph.

    High: 25 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 5. Northwest wind 3 to 6 mph.

    Low: 5 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 29. Calm wind becoming west around 6 mph in the afternoon.

    High: 29 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 9 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 5. Wind chill values as low as -10. Northwest wind 11 to 14 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 25. Wind chill values as low as -8. Northwest wind around 10 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 5. Northwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 29. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 9. Calm wind.
Wednesday
Mostly sunny, with a high near 24.
Wednesday Night
Partly cloudy, with a low around 6.
Thursday
Mostly sunny, with a high near 24.
Thursday Night
Partly cloudy, with a low around 2.
Friday
A chance of snow showers. Mostly cloudy, with a high near 26. Chance of precipitation is 50%.
Friday Night
Mostly cloudy, with a low around 3.
Saturday
A chance of flurries. Mostly sunny, with a high near 11.
Saturday Night
Partly cloudy, with a low around -2.
Sunday
A chance of flurries. Mostly sunny, with a high near 13.
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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:
5:51 pm EST Feb 1, 2026
Forecast Valid:
5pm EST Feb 1, 2026-6pm EST Feb 8, 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