National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fair

22°F

-6°C

Humidity 75%
Wind Speed Calm
Barometer 30.02 in (1018.4 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 13 Mar 6:56 am EDT
Extended Forecast for

3 Miles NNW Lewbeach NY

  • Today

    Today: Snow likely, mainly after 2pm. Increasing clouds, with a high near 34. West wind 5 to 11 mph becoming south in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 70%. Total daytime snow accumulation of around an inch possible.

    High: 34 °F

    Mostly Sunny
    then Snow
    Likely

  • Tonight

    Tonight: Snow showers likely, mainly before 10pm. The snow could be heavy at times. Mostly cloudy, with a low around 26. South wind around 14 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of around 3 inches.

    Low: 26 °F

    Heavy Snow

  • Saturday

    Saturday: Partly sunny, with a high near 34. West wind 15 to 17 mph, with gusts as high as 32 mph.

    High: 34 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 19. Northwest wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 20 mph.

    Low: 19 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A slight chance of snow before 2pm. Mostly cloudy, with a high near 38. Light southeast wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

    High: 38 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 31. Chance of precipitation is 70%.

    Low: 31 °F

    Chance Rain
    then Rain
    Likely

  • Monday

    Monday: Rain. High near 58. Chance of precipitation is 90%.

    High: 58 °F

    Rain

  • Monday Night

    Monday Night: Rain before 2am, then a chance of rain and snow. Low around 23. Chance of precipitation is 80%.

    Low: 23 °F

    Rain then
    Rain/Snow

  • Tuesday

    Tuesday: A chance of rain and snow before 8am, then a chance of snow between 8am and 2pm. Mostly cloudy, with a high near 29. Chance of precipitation is 30%.

    High: 29 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Today
Snow likely, mainly after 2pm. Increasing clouds, with a high near 34. West wind 5 to 11 mph becoming south in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 70%. Total daytime snow accumulation of around an inch possible.
Tonight
Snow showers likely, mainly before 10pm. The snow could be heavy at times. Mostly cloudy, with a low around 26. South wind around 14 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of around 3 inches.
Saturday
Partly sunny, with a high near 34. West wind 15 to 17 mph, with gusts as high as 32 mph.
Saturday Night
Increasing clouds, with a low around 19. Northwest wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 20 mph.
Sunday
A slight chance of snow before 2pm. Mostly cloudy, with a high near 38. Light southeast wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Sunday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 31. Chance of precipitation is 70%.
Monday
Rain. High near 58. Chance of precipitation is 90%.
Monday Night
Rain before 2am, then a chance of rain and snow. Low around 23. Chance of precipitation is 80%.
Tuesday
A chance of rain and snow before 8am, then a chance of snow between 8am and 2pm. Mostly cloudy, with a high near 29. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 11.
Wednesday
Mostly sunny, with a high near 30.
Wednesday Night
Mostly cloudy, with a low around 18.
Thursday
Mostly cloudy, with a high near 38.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Lewbeach NY
 42.04°N 74.8°W (Elev. 2274 ft)
Last Update:
4:57 am EDT Mar 13, 2026
Forecast Valid:
7am EDT Mar 13, 2026-6pm EDT Mar 19, 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