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

56°F

13°C

Humidity 72%
Wind Speed Calm
Barometer 29.87 in (1011.1 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 21 Jun 12:56 am EDT
Extended Forecast for

3 Miles ESE Big Indian NY

  • Overnight

    Overnight: Mostly clear, with a low around 50. West wind 3 to 5 mph.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Isolated showers before 10am, then isolated showers and thunderstorms after 11am. Mostly sunny, with a high near 70. West wind 3 to 7 mph. Chance of precipitation is 20%.

    High: 70 °F

    Isolated
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 65. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 65 °F

    Showers
    Likely then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 54. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 54 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers before 2pm. Partly sunny, with a high near 72. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 50. West wind 3 to 5 mph.
Sunday
Isolated showers before 10am, then isolated showers and thunderstorms after 11am. Mostly sunny, with a high near 70. West wind 3 to 7 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.
Monday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 65. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Monday Night
Showers and possibly a thunderstorm. Low around 54. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
A chance of showers before 2pm. Partly sunny, with a high near 72. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 50%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 74. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly sunny, with a high near 74. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Big Indian NY
 42.06°N 74.38°W (Elev. 2510 ft)
Last Update:
8:36 pm EDT Jun 20, 2026
Forecast Valid:
1am EDT Jun 21, 2026-6pm EDT Jun 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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