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

69°F

21°C

Humidity 68%
Wind Speed W 10 mph
Barometer 29.93 in (1012.9 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 14 Oct 5:56 pm EDT
Extended Forecast for

Big Indian NY

  • Tonight

    Tonight: Partly cloudy, with a low around 40. Northwest wind around 8 mph, with gusts as high as 23 mph.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 61. Light and variable wind.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers after 2am. Low around 42. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Mostly Cloudy
    then Showers

  • Friday

    Friday: Showers. High near 68. South wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers

  • Friday Night

    Friday Night: Showers, mainly before 8pm. Low around 33. Northwest wind 14 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. Northwest wind around 8 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 61. Light and variable wind.
Thursday Night
Showers after 2am. Low around 42. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers. High near 68. South wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Showers, mainly before 8pm. Low around 33. Northwest wind 14 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 31.
Monday
Sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Big Indian NY
 42.07°N 74.44°W (Elev. 2077 ft)
Last Update:
2:36 pm EDT Oct 14, 2026
Forecast Valid:
6pm EDT Oct 14, 2026-6pm EDT Oct 21, 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