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.

Fair

31°F

-1°C

Humidity 72%
Wind Speed Calm
Barometer 30.54 in (1035.5 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 9 Apr 7:56 am EDT
Extended Forecast for

Long Flat NY

  • Today

    Today: Sunny, with a high near 53. South wind 7 to 13 mph.

    High: 53 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 35. South wind 5 to 9 mph.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Scattered sprinkles after 2pm. Mostly sunny, with a high near 66. Southwest wind 3 to 8 mph.

    High: 66 °F

    Scattered
    Sprinkles

  • Friday Night

    Friday Night: Periods of showers with scattered sprinkles before 8pm, then periods of showers between 8pm and 2am, then scattered sprinkles after 2am. Low around 35. Southwest wind around 7 mph becoming northwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Showers

  • Saturday

    Saturday: Scattered sprinkles before 8am. Mostly sunny, with a high near 49. Northwest wind around 9 mph.

    High: 49 °F

    Scattered
    Sprinkles

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 30%.

    High: 66 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 53. South wind 7 to 13 mph.
Tonight
Mostly clear, with a low around 35. South wind 5 to 9 mph.
Friday
Scattered sprinkles after 2pm. Mostly sunny, with a high near 66. Southwest wind 3 to 8 mph.
Friday Night
Periods of showers with scattered sprinkles before 8pm, then periods of showers between 8pm and 2am, then scattered sprinkles after 2am. Low around 35. Southwest wind around 7 mph becoming northwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Scattered sprinkles before 8am. Mostly sunny, with a high near 49. Northwest wind around 9 mph.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
A chance of showers after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 30%.
Monday Night
A chance of showers before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Tuesday
Partly sunny, with a high near 75.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 40%.
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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:
7:27 am EDT Apr 9, 2026
Forecast Valid:
8am EDT Apr 9, 2026-6pm EDT Apr 15, 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