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

18°F

-8°C

Humidity 92%
Wind Speed N 3 mph
Barometer 30.49 in (1034.5 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 29 Mar 6:56 am EDT
Extended Forecast for

South Fallsburg NY

  • Today

    Today: Mostly sunny, with a high near 50. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 50 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear during the early evening, then becoming mostly cloudy, with a low around 35. South wind around 6 mph.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 58. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 58 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 48. Southwest wind 5 to 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Mostly cloudy, with a high near 68. Southwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 68 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 50. Chance of precipitation is 50%.

    High: 50 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 50. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Tonight
Mostly clear during the early evening, then becoming mostly cloudy, with a low around 35. South wind around 6 mph.
Monday
Increasing clouds, with a high near 58. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.
Monday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 48. Southwest wind 5 to 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A chance of showers. Mostly cloudy, with a high near 68. Southwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 50. Chance of precipitation is 50%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Friday
Rain or freezing rain likely. Mostly cloudy, with a high near 49. Chance of precipitation is 70%.
Friday Night
Showers likely. Cloudy, with a low around 39. Chance of precipitation is 60%.
Saturday
A chance of showers. Mostly cloudy, with a high near 53. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Fallsburg NY
 41.69°N 74.64°W (Elev. 1302 ft)
Last Update:
6:46 am EDT Mar 29, 2026
Forecast Valid:
7am EDT Mar 29, 2026-6pm EDT Apr 4, 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