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

51°F

11°C

Humidity 96%
Wind Speed Calm
Barometer 30.08 in (1018.3 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 25 Jun 2:56 am EDT
Extended Forecast for

6 Miles S Big Indian NY

  • Overnight

    Overnight: Partly cloudy, with a low around 49. Northwest wind around 5 mph.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, mainly after 5pm. Partly sunny, with a high near 75. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11pm. Low around 50. South wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Showers

  • Friday

    Friday: Isolated showers and thunderstorms between 2pm and 3pm. Partly sunny, with a high near 77. West wind 5 to 9 mph. Chance of precipitation is 20%.

    High: 77 °F

    Mostly Cloudy
    then Isolated
    T-storms

  • Friday Night

    Friday Night: A chance of showers after 2am. Mostly cloudy, with a low around 50. West wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 73 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 49. Northwest wind around 5 mph.
Thursday
A chance of showers, mainly after 5pm. Partly sunny, with a high near 75. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11pm. Low around 50. South wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Isolated showers and thunderstorms between 2pm and 3pm. Partly sunny, with a high near 77. West wind 5 to 9 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 50. West wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
A chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Big Indian NY
 41.98°N 74.43°W (Elev. 2405 ft)
Last Update:
2:36 am EDT Jun 25, 2026
Forecast Valid:
3am EDT Jun 25, 2026-6pm EDT Jul 1, 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