Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

A Few Clouds

88°F

31°C

Humidity 43%
Wind Speed W 9 G 20 mph
Barometer 30.06 in (1016.6 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 19 May 12:56 pm EDT
Extended Forecast for

4 Miles SSW Big Indian NY

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly after 5pm.  Mostly sunny, with a high near 83. West wind 11 to 13 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 63. West wind 9 to 13 mph.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms, mainly between 2pm and 5pm.  Increasing clouds, with a high near 78. West wind around 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41. Northwest wind around 14 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 61. North wind 6 to 10 mph.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers likely, mainly after 2am.  Mostly cloudy, with a low around 39. Chance of precipitation is 70%.

    Low: 39 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers.  High near 54. Chance of precipitation is 80%.

    High: 54 °F

    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 83. West wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Partly cloudy, with a low around 63. West wind 9 to 13 mph.
Wednesday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms, mainly between 2pm and 5pm. Increasing clouds, with a high near 78. West wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 41. Northwest wind around 14 mph.
Thursday
Mostly sunny, with a high near 61. North wind 6 to 10 mph.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Partly sunny, with a high near 60.
Friday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.
Saturday
Showers. High near 54. Chance of precipitation is 80%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Sunday
A chance of showers. Mostly cloudy, with a high near 61. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 40%.
Memorial Day
Mostly cloudy, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Big Indian NY
 42.03°N 74.48°W (Elev. 3012 ft)
8:37 am EDT May 19, 2026
1pm EDT May 19, 2026-6pm EDT May 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database