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

31°F

-1°C

Humidity 82%
Wind Speed E 6 mph
Barometer 29.88 in (1013.3 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 20 Feb 3:56 am EST
Extended Forecast for

2 Miles ESE Youngsville NY

Winter Weather Advisory February 20, 06:00am until February 21, 01:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Cloudy, with a low around 27. East wind around 5 mph.

    Low: 27 °F

    Cloudy

  • Friday

    Friday: A slight chance of snow. Cloudy, with a high near 35. East wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 35 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: A slight chance of snow. Mostly cloudy, with a low around 29. Southeast wind around 5 mph becoming light and variable. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow. Mostly cloudy, with a high near 37. West wind around 6 mph. Chance of precipitation is 20%.

    High: 37 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: A slight chance of snow. Mostly cloudy, with a low around 24. Calm wind. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A slight chance of snow. Mostly cloudy, with a high near 31. Chance of precipitation is 20%.

    High: 31 °F

    Slight Chance
    Snow

  • Sunday Night

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

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 32.

    High: 32 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 27. East wind around 5 mph.
Friday
A slight chance of snow. Cloudy, with a high near 35. East wind 6 to 9 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 29. Southeast wind around 5 mph becoming light and variable. Chance of precipitation is 20%.
Saturday
A slight chance of snow. Mostly cloudy, with a high near 37. West wind around 6 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 24. Calm wind. Chance of precipitation is 20%.
Sunday
A slight chance of snow. Mostly cloudy, with a high near 31. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Mostly cloudy, with a high near 32.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
Partly sunny, with a high near 26.
Tuesday Night
Mostly cloudy, with a low around 11.
Wednesday
Mostly cloudy, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Mostly cloudy, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Youngsville NY
 41.81°N 74.85°W (Elev. 1450 ft)
Last Update:
1:24 am EST Feb 20, 2026
Forecast Valid:
4am EST Feb 20, 2026-6pm EST Feb 26, 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