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

20°F

-7°C

Humidity 89%
Wind Speed NW 3 mph
Barometer 30.32 in (1028.6 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 21 Apr 5:56 am EDT
Extended Forecast for

South Fallsburg NY

  • Today

    Today: Mostly sunny, with a high near 49. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 49 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers, mainly after 11pm. Mostly cloudy, with a low around 34. South wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 54. South wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.

    Low: 36 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.

    High: 50 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 49. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
A chance of showers, mainly after 11pm. Mostly cloudy, with a low around 34. South wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 54. South wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 39. Calm wind.
Thursday
Mostly sunny, with a high near 64. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 61.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
Saturday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.
Saturday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Sunday
A chance of showers. Partly sunny, with a high near 55. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 61.
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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:
6:21 am EDT Apr 21, 2026
Forecast Valid:
6am EDT Apr 21, 2026-6pm EDT Apr 27, 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