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

28°F

-2°C

Humidity 66%
Wind Speed N 5 mph
Barometer 29.90 in (1014.0 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 26 Feb 8:56 pm EST
Extended Forecast for

Long Flat NY

  • Tonight

    Tonight: Mostly clear, with a low around 14. Calm wind.

    Low: 14 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 40. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 40 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 28. South wind around 6 mph.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 45. South wind around 6 mph becoming west in the afternoon.

    High: 45 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 22. North wind around 6 mph. Chance of precipitation is 30%.

    Low: 22 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A chance of snow before 1pm. Mostly cloudy, with a high near 25. Chance of precipitation is 30%.

    High: 25 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of snow. Mostly cloudy, with a high near 22. Chance of precipitation is 30%.

    High: 22 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly clear, with a low around 7.

    Low: 7 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 14. Calm wind.
Friday
Sunny, with a high near 40. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 28. South wind around 6 mph.
Saturday
Partly sunny, with a high near 45. South wind around 6 mph becoming west in the afternoon.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 22. North wind around 6 mph. Chance of precipitation is 30%.
Sunday
A chance of snow before 1pm. Mostly cloudy, with a high near 25. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 6.
Monday
A chance of snow. Mostly cloudy, with a high near 22. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 7.
Tuesday
Partly sunny, with a high near 33.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Thursday
A chance of rain. Mostly cloudy, with a high near 43. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Long Flat NY
 42.01°N 75.05°W (Elev. 1900 ft)
Last Update:
6:25 pm EST Feb 26, 2026
Forecast Valid:
9pm EST Feb 26, 2026-6pm EST Mar 5, 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