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.

Overcast

47°F

8°C

Humidity 50%
Wind Speed W 17 G 31 mph
Barometer 29.92 in (1013.8 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 1 Nov 1:56 pm EDT
Extended Forecast for

Long Flat NY

  • This Afternoon

    This Afternoon: Cloudy, with a high near 45. Northwest wind around 9 mph, with gusts as high as 20 mph.

    High: 45 °F

    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. Northwest wind 3 to 6 mph.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 50. Calm wind becoming west around 6 mph in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers after 2pm. Sunny, with a high near 55. Southwest wind 5 to 8 mph. Chance of precipitation is 20%.

    High: 55 °F

    Sunny then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, mainly between 8pm and 2am. Partly cloudy, with a low around 36. Chance of precipitation is 30%.

    Low: 36 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Cloudy, with a high near 45. Northwest wind around 9 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 31. Northwest wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 50. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 35. Calm wind.
Monday
A slight chance of showers after 2pm. Sunny, with a high near 55. Southwest wind 5 to 8 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers, mainly between 8pm and 2am. Partly cloudy, with a low around 36. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Mostly clear, with a low around 34.
Wednesday
Mostly cloudy, with a high near 51.
Wednesday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 45. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 28.
Friday
Mostly cloudy, with a high near 48.
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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:
2:08 pm EDT Nov 1, 2025
Forecast Valid:
2pm EDT Nov 1, 2025-6pm EST Nov 7, 2025
 
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