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

28°F

-2°C

Humidity 88%
Wind Speed Calm
Barometer 30.47 in (1033.0 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 12 Apr 6:56 am EDT
Extended Forecast for

4 Miles WSW Big Indian NY

  • Today

    Today: Mostly sunny, with a high near 51. South wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 51 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers before 2am. Mostly cloudy, with a low around 40. Breezy, with a southwest wind 15 to 20 mph. Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    Showers and
    Breezy

  • Monday

    Monday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 62. Southwest wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 53. West wind 11 to 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 71. Southwest wind 9 to 13 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.

    High: 72 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 40%.

    High: 73 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 51. South wind 5 to 11 mph, with gusts as high as 21 mph.
Tonight
A slight chance of showers before 2am. Mostly cloudy, with a low around 40. Breezy, with a southwest wind 15 to 20 mph. Chance of precipitation is 20%.
Monday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 62. Southwest wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 53. West wind 11 to 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 71. Southwest wind 9 to 13 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 40%.
Thursday Night
A chance of showers before 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 47.
Saturday
A chance of showers. Mostly sunny, with a high near 71. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Big Indian NY
 42.05°N 74.5°W (Elev. 3189 ft)
Last Update:
4:00 am EDT Apr 12, 2026
Forecast Valid:
7am EDT Apr 12, 2026-6pm EDT Apr 18, 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