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.

A Few Clouds

75°F

24°C

Humidity 50%
Wind Speed SW 7 mph
Barometer 29.76 in (1006.8 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 16 Apr 9:56 pm EDT
Extended Forecast for

Long Flat NY

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am. Mostly cloudy, with a low around 55. West wind 3 to 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly between 1pm and 3pm. Partly sunny, with a high near 67. North wind around 6 mph. Chance of precipitation is 30%.

    High: 67 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. Light and variable wind.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68. South wind 6 to 9 mph.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Showers. Low around 38. South wind around 9 mph. Chance of precipitation is 80%.

    Low: 38 °F

    Showers

  • Sunday

    Sunday: Rain showers before 2pm, then rain and snow showers likely. High near 46. Chance of precipitation is 80%.

    High: 46 °F

    Showers then
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow showers likely before 8pm, then a chance of snow showers between 8pm and 2am. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.

    Low: 25 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Monday

    Monday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am. Mostly cloudy, with a low around 55. West wind 3 to 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, mainly between 1pm and 3pm. Partly sunny, with a high near 67. North wind around 6 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 52. Light and variable wind.
Saturday
Partly sunny, with a high near 68. South wind 6 to 9 mph.
Saturday Night
Showers. Low around 38. South wind around 9 mph. Chance of precipitation is 80%.
Sunday
Rain showers before 2pm, then rain and snow showers likely. High near 46. Chance of precipitation is 80%.
Sunday Night
Rain and snow showers likely before 8pm, then a chance of snow showers between 8pm and 2am. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Sunny, with a high near 50.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Long Flat NY
 42.01°N 75.05°W (Elev. 1900 ft)
Last Update:
7:13 pm EDT Apr 16, 2026
Forecast Valid:
10pm EDT Apr 16, 2026-6pm EDT Apr 23, 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