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

61°F

16°C

Humidity 93%
Wind Speed N 5 mph
Barometer 30.05 in (1016.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 14 Aug 2:56 am EDT
Extended Forecast for

6 Miles S Big Indian NY

  • Overnight

    Overnight: Partly cloudy, with a low around 55. Northwest wind around 5 mph.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 76. Northwest wind 3 to 7 mph. Chance of precipitation is 20%.

    High: 76 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 49. Light north wind.

    Low: 49 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Sunny, with a high near 75. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 73 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers. Low around 55. Chance of precipitation is 90%.

    Low: 55 °F

    Showers

  • Monday

    Monday: Showers likely before 8am. Partly sunny, with a high near 76. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 55. Northwest wind around 5 mph.
Friday
A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 76. Northwest wind 3 to 7 mph. Chance of precipitation is 20%.
Friday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 49. Light north wind.
Saturday
Sunny, with a high near 75. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 50. Calm wind.
Sunday
Showers likely, mainly after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers. Low around 55. Chance of precipitation is 90%.
Monday
Showers likely before 8am. Partly sunny, with a high near 76. Chance of precipitation is 60%.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 76.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 74. Chance of precipitation is 50%.
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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 Aug 14, 2026
Forecast Valid:
3am EDT Aug 14, 2026-6pm EDT Aug 20, 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