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.

Partly Cloudy

61°F

16°C

Humidity 63%
Wind Speed E 6 mph
Barometer 29.89 in (1011.9 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 11 Mar 10:56 am EDT
Extended Forecast for

Long Flat NY

  • Today

    Today: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 66. South wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms. Low around 32. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 32 °F

    Showers

  • Thursday

    Thursday: Rain showers, snow showers, and sleet likely before 8am, then a slight chance of snow showers between 8am and 2pm. Mostly cloudy, with a temperature falling to around 32 by 9am. Northwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow and sleet accumulation of less than a half inch possible.

    High: 35 °F⇓

    Wintry Mix
    Likely then
    Slight Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. West wind 6 to 9 mph.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of snow showers before 2pm, then a chance of rain and snow showers. Partly sunny, with a high near 40. South wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 40 °F

    Slight Chance
    Snow Showers
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow showers before 2am, then a slight chance of snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.

    Low: 27 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow after 8am, mixing with rain after 2pm. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.

    High: 45 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 66. South wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms. Low around 32. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Rain showers, snow showers, and sleet likely before 8am, then a slight chance of snow showers between 8am and 2pm. Mostly cloudy, with a temperature falling to around 32 by 9am. Northwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow and sleet accumulation of less than a half inch possible.
Thursday Night
Partly cloudy, with a low around 23. West wind 6 to 9 mph.
Friday
A slight chance of snow showers before 2pm, then a chance of rain and snow showers. Partly sunny, with a high near 40. South wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Friday Night
A chance of rain and snow showers before 2am, then a slight chance of snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.
Saturday
Mostly sunny, with a high near 35.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
A chance of snow after 8am, mixing with rain after 2pm. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.
Sunday Night
Rain and snow likely before 2am, then rain. Low around 34. Chance of precipitation is 80%.
Monday
Rain. High near 54. Chance of precipitation is 90%.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 18. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 26.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Long Flat NY
 42.01°N 75.08°W (Elev. 2031 ft)
Last Update:
11:27 am EDT Mar 11, 2026
Forecast Valid:
11am EDT Mar 11, 2026-6pm EDT Mar 17, 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