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.

Mostly Cloudy

57°F

14°C

Humidity 64%
Wind Speed SE 6 mph
Barometer 30.26 in (1024.6 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 21 May 11:56 am EDT
Extended Forecast for

4 Miles SSW Big Indian NY

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 61. North wind around 6 mph.

    High: 61 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Northeast wind 3 to 6 mph.

    Low: 37 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 63. East wind around 7 mph.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers after 2am. Increasing clouds, with a low around 37. East wind around 5 mph. Chance of precipitation is 20%.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Showers, mainly after 8am. High near 50. Southeast wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 37. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Showers

  • Sunday

    Sunday: Showers likely before 2pm. Mostly cloudy, with a high near 54. Chance of precipitation is 70%.

    High: 54 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Memorial Day

    Memorial Day: A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.

    High: 70 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 61. North wind around 6 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Northeast wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 63. East wind around 7 mph.
Friday Night
A slight chance of showers after 2am. Increasing clouds, with a low around 37. East wind around 5 mph. Chance of precipitation is 20%.
Saturday
Showers, mainly after 8am. High near 50. Southeast wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Showers. Low around 37. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers likely before 2pm. Mostly cloudy, with a high near 54. Chance of precipitation is 70%.
Sunday Night
Mostly cloudy, with a low around 44.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 48.
Tuesday
Partly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Big Indian NY
 42.03°N 74.48°W (Elev. 3012 ft)
Last Update:
8:37 am EDT May 21, 2026
Forecast Valid:
12pm EDT May 21, 2026-6pm EDT May 27, 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