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.

Mostly Cloudy

61°F

16°C

Humidity 97%
Wind Speed W 6 mph
Barometer 29.90 in (1011.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 16 Apr 2:56 am EDT
Extended Forecast for

Long Flat NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 60. Southwest wind around 5 mph.

    Low: 60 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers between 2pm and 4pm. Partly sunny, with a high near 78. Southwest wind 3 to 7 mph. Chance of precipitation is 20%.

    High: 78 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 56. West wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly between 8am and 2pm. Partly sunny, with a high near 67. Northwest wind around 6 mph. Chance of precipitation is 30%.

    High: 67 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. North wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers after 2pm. Partly sunny, with a high near 69. Chance of precipitation is 20%.

    High: 69 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely after 8pm. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.

    Low: 38 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 46. Chance of precipitation is 70%.

    High: 46 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of rain and snow showers before 8pm, then a chance of snow showers between 8pm and 2am. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.

    Low: 25 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 60. Southwest wind around 5 mph.
Thursday
A slight chance of showers between 2pm and 4pm. Partly sunny, with a high near 78. Southwest wind 3 to 7 mph. Chance of precipitation is 20%.
Thursday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 56. West wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, mainly between 8am and 2pm. Partly sunny, with a high near 67. Northwest wind around 6 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 51. North wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of showers after 2pm. Partly sunny, with a high near 69. Chance of precipitation is 20%.
Saturday Night
Showers likely after 8pm. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 46. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow showers before 8pm, then a chance of snow showers between 8pm and 2am. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 37.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Sunny, with a high near 49.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 57. Chance of precipitation is 30%.
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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:
2:30 am EDT Apr 16, 2026
Forecast Valid:
3am EDT Apr 16, 2026-6pm EDT Apr 22, 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