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

47°F

8°C

Humidity 56%
Wind Speed Calm
Barometer 30.07 in (1018.8 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 12 May 10:56 pm EDT
Extended Forecast for

South Fallsburg NY

  • Tonight

    Tonight: A chance of showers, mainly after 5am. Mostly cloudy, with a low around 42. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 64. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before midnight, then showers and possibly a thunderstorm between midnight and 2am, then showers after 2am. Low around 46. South wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 2pm. High near 60. Light and variable wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 44. Northwest wind around 7 mph. Chance of precipitation is 60%.

    Low: 44 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, mainly before 2pm. Partly sunny, with a high near 64. Chance of precipitation is 30%.

    High: 64 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers, mainly after 5am. Mostly cloudy, with a low around 42. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 64. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before midnight, then showers and possibly a thunderstorm between midnight and 2am, then showers after 2am. Low around 46. South wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers, with thunderstorms also possible after 2pm. High near 60. Light and variable wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 44. Northwest wind around 7 mph. Chance of precipitation is 60%.
Friday
A chance of showers, mainly before 2pm. Partly sunny, with a high near 64. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
A chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Fallsburg NY
 41.69°N 74.64°W (Elev. 1302 ft)
Last Update:
9:56 pm EDT May 12, 2026
Forecast Valid:
11pm EDT May 12, 2026-6pm EDT May 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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