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

57°F

14°C

Humidity 93%
Wind Speed NW 5 mph
Barometer 29.90 in (1011.7 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 12 Aug 5:56 am EDT
Extended Forecast for

4 Miles SSE Big Indian NY

  • Today

    Today: Sunny, with a high near 77. Northwest wind 5 to 7 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms between 9pm and 2am, then a slight chance of showers. Partly cloudy, with a low around 53. West wind 3 to 5 mph. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers

  • Thursday

    Thursday: Increasing clouds, with a high near 75. West wind 6 to 8 mph.

    High: 75 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52. Northwest wind around 7 mph.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers after 2pm. Mostly sunny, with a high near 74. Northwest wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 74 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm. Mostly clear, with a low around 45. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers after 2pm. Mostly sunny, with a high near 72. Chance of precipitation is 50%.

    High: 72 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 77. Northwest wind 5 to 7 mph.
Tonight
A chance of showers and thunderstorms between 9pm and 2am, then a slight chance of showers. Partly cloudy, with a low around 53. West wind 3 to 5 mph. Chance of precipitation is 40%.
Thursday
Increasing clouds, with a high near 75. West wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 52. Northwest wind around 7 mph.
Friday
A chance of showers after 2pm. Mostly sunny, with a high near 74. Northwest wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers before 8pm. Mostly clear, with a low around 45. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 48.
Sunday
A chance of showers after 2pm. Mostly sunny, with a high near 72. Chance of precipitation is 50%.
Sunday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.
Monday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Big Indian NY
 42.02°N 74.42°W (Elev. 2871 ft)
Last Update:
2:36 am EDT Aug 12, 2026
Forecast Valid:
6am EDT Aug 12, 2026-6pm EDT Aug 18, 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